Beef Crostini with Caramelized Onion offers a sophisticated yet surprisingly simple solution for your holiday entertaining needs or a delicious snack for any gathering. This elegant appetizer brings together the rich flavors of tender, thinly sliced roast beef with the creamy tang of goat cheese, the irresistible sweetness of caramelized onions, and a sprinkle of fresh herbs, all atop a perfectly crispy crostini. Prepare to impress your guests with this delightful and protein-filled bite!
No matter the holiday or special occasion you and your family are celebrating, make beef a star of your festive spread, from a lively cocktail party to an elegant New Year’s Eve gathering. Today, we’re thrilled to share this exceptional Beef Crostini with Caramelized Onion recipe, developed in partnership with the Ohio Beef Council. This simple yet incredibly flavorful appetizer is guaranteed to be a crowd-pleaser.
The harmonious blend of flavors in this dish is truly remarkable. The savory, slightly tart notes of creamy goat cheese perfectly complement the deep, sweet caramelized onions, creating a delightful contrast with the succulent, tender roast beef. Each component rests on a sturdy, crispy crostini, providing the ideal textural foundation. We love offering a diverse selection of appetizers to our guests, and this roast beef crostini is an absolute must-add to your repertoire.
For the best results, we highly recommend preparing your own roast beef for this crostini. Our favorite Roast Beef Recipe yields incredibly tender meat that slices beautifully thin, making it perfect for these delicate bites. Plus, if you follow that recipe, you’ll likely have enough leftover roast beef to create another fantastic meal, such as gourmet roast beef sandwiches, later in the week!
This Beef Crostini is an ideal companion to your holiday feast. Imagine it served alongside a succulent Herb Butter Roasted Turkey, a refreshing Lemon Arugula Salad, and a comforting Sweet Potato Casserole with Marshmallows. These crostini add an extra touch of elegance and robust flavor that will make your holiday meal truly unforgettable.
Key Ingredients for Your Perfect Beef Crostini
To craft these delectable Beef Crostini, you’ll need a selection of high-quality ingredients that harmonize beautifully. For precise measurements and step-by-step instructions, please refer to the full recipe card further down this page.
- Beef: The star of our crostini is a tender beef top round roast, which is roasted and then thinly sliced. For ultimate convenience and to save precious time during holiday preparations, you can opt for high-quality, thinly sliced roast beef from your local deli. We recommend asking for it shaved or sliced very thin, as this makes it easier to fold and arrange on the crostini, ensuring each bite is perfectly balanced.
- Aromatic Spices & Herbs: Our foundational spice blend features fragrant oregano, earthy rosemary, and bright parsley. These classic herbs infuse the beef with a deep, savory flavor. Feel free to experiment with other complementary spices like a robust Italian seasoning blend or the unique, tangy notes of za’atar for an adventurous twist. Fresh herbs are always preferred for their vibrant aroma and taste.
- Goat Cheese: This creamy, tangy cheese is an absolute game-changer in this recipe. Its rich flavor and spreadable texture create a luxurious base on the crostini, perfectly balancing the savory beef and sweet onions. Its distinctive taste elevates the entire appetizer, making it feel truly gourmet.
- Garlic: Freshly minced garlic adds an indispensable layer of aromatic depth to the beef. While fresh is always best for maximum flavor impact, garlic powder can be used as a convenient substitute if needed, though we highly encourage using fresh for the best results.
- Crostini Base: The foundation of our crostini requires a fresh, crusty French baguette. When preparing the crostini, you will need thinly sliced sweet onions for caramelizing, quality olive oil for roasting and brushing, the aforementioned goat cheese, and fresh herbs to garnish. A good baguette is crucial for that satisfying crunch.
- Olive Oil: A good quality extra virgin olive oil is used throughout the recipe, from coating the roast beef and caramelizing the onions to brushing the baguette slices, adding a fruity richness to every element.
- Salt & Pepper: Simple kosher salt and freshly ground black pepper are essential for seasoning the beef and bringing out the natural flavors of all the ingredients.
Creative Recipe Modifications & Flavor Variations
One of the best aspects of this Beef Crostini recipe is its adaptability. Don’t hesitate to customize it to your taste preferences or to utilize ingredients you already have on hand:
- Herb Varieties: Elevate the freshness by incorporating a wider array of fresh herbs. Consider delicate basil, mild chives, fragrant fresh thyme, or more robust rosemary. A mix of several herbs can add wonderful complexity.
- Cheese Alternatives: While creamy goat cheese is exceptional, you have other delightful options. A tangy whipped feta cheese would offer a similar creamy, savory profile. For a different flavor, consider a thin layer of rich mayonnaise, a hint of spicy horseradish spread, cool sour cream, or even a classic cream cheese spread for a milder base.
- Adding Vegetables: Boost the texture and nutritional profile with additional vegetables. Tangy pickled red onions provide a bright contrast to the richness of the beef, while roasted red peppers add a sweet, smoky note. Sun-dried tomatoes offer a concentrated burst of umami flavor.
- Protein Swaps: If you’re looking for an alternative to beef, this recipe is surprisingly versatile. Shredded chicken offers a lighter option, white beans can create a satisfying vegetarian version, or crumbled sausage could add a spicy, hearty element.
- Spice It Up: Introduce more warmth and zest to your crostini. A pinch of Italian seasoning can enhance the classic herb profile, while crushed red pepper flakes add a pleasant heat. Smoked paprika or a dash of chili powder can infuse a smoky, earthy depth.
Recipe Tip: This crostini is also a fantastic way to utilize leftover beef from other meals! Any thinly sliced cooked beef will work beautifully, be it succulent filet mignon, flavorful hanger steak, rich ribeye, versatile sirloin steak, or tender beef tenderloin. If you don’t have homemade roast beef, pre-cooked roast beef from the grocery store deli is a superb time-saver.
How to Craft These Exquisite Beef Crostini with Caramelized Onion
Creating these gourmet crostini is a straightforward process, broken down into a few key steps:
- Roast the Beef to Perfection: Begin by preheating your oven to a high temperature of 450 degrees Fahrenheit (232°C). In a small bowl, combine your chosen spices—oregano, rosemary, and thyme—with minced garlic and olive oil. Mix well to create a fragrant herb and garlic paste. Generously coat your beef top round roast on all sides with this aromatic mixture, ensuring an even layer of flavor.
- Carefully place the seasoned roast on a wire rack set inside a shallow baking dish or a dedicated roasting pan. This setup allows for even cooking and prevents the bottom of the roast from steaming. Sprinkle with a bit more kosher salt and freshly ground black pepper for enhanced seasoning.
- Initiate the roasting process by cooking the beef at 450°F (232°C) for an initial 15 minutes. This high heat helps to sear the exterior, locking in juices and developing a beautiful crust.
- After 15 minutes, reduce the oven temperature to 325°F (163°C) and continue roasting for an additional 1 hour to 1 hour and 5 minutes. The goal is to reach a medium-rare doneness, which corresponds to an internal temperature of 125-130°F (52-54°C) when measured with a meat thermometer. Remember that the temperature will rise slightly as the meat rests.
- Once the beef reaches your desired doneness, remove it from the oven. Crucially, tent the roast loosely with aluminum foil and allow it to rest for at least 15 minutes before slicing. This resting period allows the juices to redistribute throughout the meat, ensuring maximum tenderness and flavor. After resting, thinly slice the roast beef against the grain, yielding delicate, perfect pieces for your crostini.
- Mastering Caramelized Onions: While your beef rests, begin caramelizing the onions. Heat 3 tablespoons of olive oil in a large skillet over medium-low heat. It’s important to use medium-low heat to prevent burning and allow the sugars in the onions to develop slowly.
- Add the thinly sliced yellow onions to the skillet. Cook gently, stirring every few minutes. This regular stirring prevents sticking and ensures the onions color evenly. Continue cooking for 15-20 minutes, or until the onions transform into a beautiful blonde color and become wonderfully soft and sweet. True caramelization takes time, so be patient for the best flavor.
- Whip the Goat Cheese Mixture: In a mixer or a bowl with an electric hand mixer, combine the softened goat cheese, 1 tablespoon of olive oil, half of the chopped parsley, and a pinch of salt. Mix on medium speed for 3-4 minutes until the goat cheese becomes light, airy, and whipped. This makes it incredibly easy to spread and enhances its creamy texture.
- Prepare the Crispy Crostini: Preheat your oven to 400°F (200°C). Slice the French baguette into thin, even rounds, about ½ inch thick. Arrange these slices in a single layer on a baking sheet. Using a small dish with 1 tablespoon of olive oil, lightly brush the top of each baguette slice.
- Bake the crostini for 4-5 minutes, or until they are golden brown and perfectly crisp. Watch them closely to prevent burning. Remove them from the oven and let them cool slightly.
- Assemble and Serve: Now for the grand finale! Spread a generous layer of the whipped goat cheese mixture onto each cooled crostini. Next, top the goat cheese with a spoonful of the sweet caramelized onions. Finally, arrange a few slices of the tender roast beef on top. Garnish each crostini with the remaining fresh chopped parsley for a burst of color and herbaceous flavor. Serve immediately and watch them disappear! Leftovers can be stored in an airtight container in the refrigerator for up to 2 days, though they are best enjoyed fresh.
Recipe Tip: Oven roasting is a particularly convenient cooking method during the busy holiday season. It generally employs a lower temperature over a longer period, allowing you to “set it and forget it” for a while, freeing you up to attend to other aspects of your meal preparation or simply enjoy your guests.
Storage & Preparation Tips
Thoughtful planning and proper storage ensure your beef and crostini remain fresh and delicious:
- Storing Leftover Crostini: While crostini are best enjoyed fresh due to the crispy baguette, if you have assembled leftovers, refrigerate them in an airtight container promptly. It’s crucial to always refrigerate any leftovers that incorporate beef within 2 hours after cooking to maintain food safety. The crostini might lose some of its crispness, but the flavors will still be delicious.
- Storing the Beef: If you’re planning to buy beef in advance for your holiday feast or for these crostini, proper storage is key. You can safely freeze beef in its original packaging for up to two weeks. For longer-term storage, transfer the beef to heavy-duty aluminum foil or dedicated plastic freezer bags, ensuring you remove as much air as possible before sealing. This prevents freezer burn and maintains the quality of the meat. Thaw frozen beef slowly in the refrigerator before preparing.
- Make-Ahead Components: To streamline your holiday cooking, you can prepare the caramelized onions a day or two in advance. Store them in an airtight container in the refrigerator. The roast beef can also be cooked and sliced ahead of time. Keep it refrigerated and bring it to room temperature before assembling the crostini. The goat cheese mixture can also be prepared ahead, though whipping it just before serving yields the fluffiest texture. Slice your baguette and store it in an airtight container to keep it fresh until you’re ready to toast.
Discover More Irresistible Beef Recipes
Beef
Beef Enchilada Casserole
Beef
Slow Cooker Beef Barbacoa
Beef
Cottage Cheese Queso (with ground beef)
Beef
Hummus with Spiced Beef and Toasted Pine Nuts
Tried this recipe? Share your thoughts and leave a comment below! Don’t forget to subscribe to our newsletter or follow us on Facebook, Instagram, or Pinterest for the latest recipes and culinary inspiration.
Beef Crostini with Caramelized Onion
Print Recipe
Ingredients
- 3-4 pound Beef Top Round Roast, you will need about 1 pound Roast beef thinly sliced for the crostini
- 2 teaspoon oregano, chopped
- 2 teaspoons rosemary, chopped
- 1 teaspoon thyme, chopped
- 3 teaspoons parsley, chopped
- 2 tablespoons olive oil (for beef roast)
- 4 cloves garlic , minced
- 2 teaspoons kosher salt
- 1/4 teaspoon black pepper
- 2 yellow onions , thinly sliced
- 5 tablespoons olive oil, divided (3 tbsp for onions, 1 tbsp for goat cheese, 1 tbsp for crostini)
- 1 French baguette, {approx. 12 inches long}, sliced
- 4 ounces goat cheese, crumbled or a block (let sit out for 10 minutes to soften)
- 1/4 cup parsley, chopped, separated
Instructions
- Preheat your oven to 450 degrees F (232°C).
- Combine all of the oregano, rosemary, thyme, garlic, and 2 tablespoons of olive oil in a small bowl. Coat the beef roast with this herb and garlic mixture, making sure to coat both sides evenly.
- Place the roast on a wire rack inside a shallow baking dish or a roasting pan with a wire rack. Sprinkle with a bit more salt and pepper. Roast for 15 minutes at 450 degrees F (232°C).
- Reduce temperature to 325°F (163°C) and roast an additional 1 hour to 1 hour and 5 minutes, or until it reaches medium-rare doneness (125-130°F / 52-54°C internal temperature).
- Remove the roast from the oven and tent it loosely with aluminum foil for 15 minutes. After resting, slice the beef into thin pieces against the grain.
- Heat 3 tablespoons of olive oil in a large skillet over medium-low heat.
- Add the thinly sliced yellow onions and cook, stirring every few minutes to prevent them from sticking or coloring too much in one place, until they are blonde-colored, soft, and sweet, about 15–20 minutes.
- Place the softened goat cheese, 1 tablespoon of olive oil, half of the chopped parsley, and a pinch of salt into a mixer (or use a bowl with an electric hand mixer). Mix on medium for 3-4 minutes until whipped and fluffy.
- Preheat a separate oven or adjust yours to 400 F (200°C) for the crostini.
- Arrange the baguette slices on a baking sheet in a single layer. Pour the remaining 1 tablespoon of olive oil in a small dish.
- Brush the top of each crostini with olive oil. Bake the crostini for 4-5 minutes, until golden and crisp. Remove from the oven and let them cool slightly. Spread a layer of the whipped goat cheese on each crostini. Top the goat cheese with the caramelized onions, and then arrange the thinly sliced roast beef on top. Garnish with the remaining fresh parsley and serve immediately!
Notes
- If you have leftover cooked roast beef, you can save significant time and make these crostini without having to cook the roast beef from scratch.
- Alternatively, you can also purchase already cooked, thinly sliced roast beef from the deli counter at your local grocery store for convenience.
- For a vibrant flavor twist, consider adding a drizzle of balsamic glaze over the assembled crostini just before serving.
- Ensure your goat cheese is at room temperature before whipping; this will achieve the smoothest, creamiest texture.
Nutrition
Carbohydrates: 25g,
Protein: 73g,
Fat: 36g,
Saturated Fat: 11g,
Polyunsaturated Fat: 3g,
Monounsaturated Fat: 21g,
Trans Fat: 1g,
Cholesterol: 192mg,
Sodium: 1260mg,
Potassium: 988mg,
Fiber: 2g,
Sugar: 4g,
Vitamin A: 449IU,
Vitamin C: 7mg,
Calcium: 126mg,
Iron: 9mg
Nutrition information is automatically calculated and should only be used as an approximation.
Tried this recipe?
Mention @acedarspoon or tag #acedarspoon!
Today’s post is sponsored by the Ohio Beef Council. As always, all opinions expressed are 100% my own.