• Skip to main content
  • Skip to primary sidebar
Aleka's Get-Together
menu icon
go to homepage
  • Recipes
  • Drinks
  • Entertaining
  • Keyword Training
  • Contact
  • Subscribe
  • Follow AGT!

    • Facebook
    • Instagram
    • YouTube
  • subscribe
    search icon
    Homepage link
    • Recipes
    • Drinks
    • Entertaining
    • Keyword Training
    • Contact
    • Subscribe
  • Follow AGT!

    • Facebook
    • Instagram
    • YouTube
  • ×

    Home » Recipes » Party Appetizers

    Filet Oscar Crostini Appetizer

    Published: Dec 27, 2018 · Modified: Oct 26, 2021 by Aleka Shunk · This post may contain affiliate links · 4 Comments

    Share This Recipe!

    2.7K shares
    • Share
    • Tweet
    Jump to Recipe Print Recipe

    A deliciously fancy hors d'oeuvre to serve at this year's Oscar party! This Steak Oscar Crostini Appetizer is a fun take on the classic Filet Oscar dish made bite sized and worthy of your fingers! And make sure to check out this long list of finger food ideas!

    Steak and crab crostini appetizer with hollandaise sauce.

    This crostini appetizer will be the talk of your Oscar party! They are so fancy and packed with flavor! It really is the perfect bite sized appetizer to ring in the new year! Also make sure to check out more Finger Food Ideas For Your Next Party!

    Contents hide
    1 Filet Oscar Inspired
    2 Bearnaise Sauce The "Modern Way"
    3 Choosing Your Steak
    4 How To Cook Your Steak
    5 Choosing Your Crab
    5.1 Crostini Tips
    5.2 How To Assemble
    5.3 Make sure to check out these hors d'eourvres!
    6 Steak and Crab Crostini Appetizer
    6.1 Ingredients
    6.1.1 Bearnaise Sauce
    6.2 Instructions
    6.3 Recipe Notes
    6.4 Nutrition

    Filet Oscar Inspired

    This appetizer was inspired by my love for surf and turf. The combination is just so hearty and satisfying. Filet oscar is typically prepared with crab, asparagus and finished with a rich Bearnaise sauce.

    It would also be a delicious Oscar party appetizer if you like the play on words. 🙂

    Bearnaise Sauce The "Modern Way"

    The SAUCE on this steak and crab crostini is the best part of the dish, hands down.

    It is called a 'Bearnaise' sauce. Sounds fancy huh?! If you are just patient, it will work out, I promise.

    I discovered a non-traditional way or more "modern" technique to making the sauce which requires less pots/pans and allows less room for error.

    The most important part is to heat the sauce slowly and WHISK, WHISK, WHISK! It is 100% worth the effort.

    ingredients on a table for filet and crab crostini.

    Choosing Your Steak

    Of all the bite sized appetizers on my blog, THIS one is the fanciest by far!

    I mean, steak? Crab? Bearnaise sauce?? Forget about it.

    Although, it may not be the cheapest appetizer to make, it will be the most raved over.

    When choosing your steak, I only recommend going for a tenderloin. It is the most tender and tender meat is what we are going for especially when eating it crostini-style.

    How To Cook Your Steak

    Cooking your filet is a personal preference! I personally love a good medium on my filet but if you want more rare or well done, go for it.

    Just keep in mind! You are not the only one eating your crostini. Does everyone love rare? Well done?

    If you were at a wedding hors d'eourvre hour, they would most likely serve their filets medium-rare or medium since that is the recommended "doneness". So if you are expecting guests, I recommend preparing your filets medium since it is in between well and rare.

    steak crab and asparagus crostini appetizer on a plate.

    Choosing Your Crab

    I suggest going for jump lump crab meat. It looks beautifully impressive on top of crostini. The claw meat is a bit sweeter which is another good option. If you don't want to spend the money on this type, get whatever crab you can find!

    Crostini Tips

    1. Do NOT over toast your crostini! If it is too hard, you will ruin the entire appetizer. *See tip below on how to toast these!
    2. Get the best filet you can find! A good filet means a tender filet. And a tender filet will be easy to BITE into.
    3. Make all the components ahead of time! (hours or the night before). Sear and slice your filet. Prepare your sauce. Cut your bread. And trim your asparagus. Then refrigerate everything until ready to use.
    4. Take your time and be diligent with the sauce. It is the best part and SO worth the extra attention!
    5. Crusty, fresh bread is key. No one likes stale crostini.

    How To Assemble

    Have all of your ingredients ready to go before assembling! You want it fresh so the crostini maintains its texture.

    I made these twice because the first time, my crostini dried out too much and it was not easy to bite into.

    So what I ended up doing was broiling/toasting one side of each crostini. (Just lay them flat on a baking sheet and broil lightly without flipping them.)

    Then assemble each directly on the baking sheet keeping the non-toasted side DOWN! Cover with tin foil and keep in the fridge.

    Then when your guests are on their way, you can pop the entire baking sheet full of assembled crostini into the oven! The bottom of the crostini will now toast while the rest warms up nicely!

    steak and crab over top of crostini with sauce on a platter.

    Make sure to check out these hors d'eourvres!

    Mini Canape Toasts with Sweet Cheese

    Grilled Cheese Sticks (with tomato soup shooter)

    Bruschetta Caprese (with mozzarella)

    Mini Baked Potatoes

    Easy Savory Canapés For Parties


    filet and crab crostini on a platter

    Steak and Crab Crostini Appetizer

    A deliciously fancy hors d'eourvre for your next dinner or cocktail party! This Filet Oscar Crostini Appetizer is a fun take on the classic Filet Oscar dish made bite sized!
    5 from 2 votes
    Print Pin Rate
    Course: Appetizer
    Cuisine: French
    Prep Time: 20 minutes
    Cook Time: 20 minutes
    Total Time: 40 minutes
    Servings: 14 Crostini
    Calories: 278kcal
    Author: Aleka Shunk

    Ingredients

    • 1 Crusty Italian Baguette ((Cut into ¾" thick slices))
    • 12 oz. Tenderloin Filet (The best you can afford!)
    • 5 oz. Asparagus Tips ((28 tips))
    • 8 oz. Crab Meat ((I use canned))
    • 1 Garlic Clove
    • Salt (*to taste)
    • Freshly Cracked Black Pepper

    Bearnaise Sauce

    • 1 stick (8 tbsp) Salted Butter, melted
    • 1 Small Shallot ((Minced))
    • 2 tablespoon White Wine Vinegar
    • 1 tablespoon Tarragon ((Chopped))
    • 2 Large Egg Yolks
    • 2 Tbsp. Lemon juice
    • 1 Tbsp. Honey (*Optional)

    Instructions

    • Lay your sliced bread onto a baking sheet and brush or drizzle both sides with butter. Season with salt and pepper. Place under the broiler until tops are lightly browned. Remove and immediately rub your peeled garlic clove onto each slice. Set aside.
    • Dry your filets with a paper towel and season WELL with salt and pepper. Place a heavy saute pan over high heat until it gets very hot. Add, 2-3 tablespoon of butter to the pan and immediately add your filets swirling the butter around each filet using the pan handle to do so. Don't move your filets! Wait about 4-5 minutes and flip when one side starts to brown. Allow the other side to sear until nicely browned. Internal temperature should reach about 140 degrees for medium steak. Take off heat and set aside. Slice filet very thinly right before your ready to assemble.
    • To make your Bearnaise sauce, add 2 tablespoon of butter to a sauce pan over medium heat. Add your shallots, vinegar and tarragon. Simmer for about 5 minutes to allow the shallots to soften and vinegar to cook off. Don't let the shallots burn! Turn off heat and allow to cool.
    • While cooling, cook your asparagus according to directions (if using a steam bag). Otherwise, bring salted water to a boil in another sauce pan and toss in your asparagus for a few minutes (until just cooked through) not too soft! Rinse with ice cold water and then cut into desired length. Set aside.
    • Add your egg yolks to the shallots and whisk to mix. Turn the heat back on to the lowest setting. While whisking, stream in the REST of your melted butter slowly until fully incorporated. Whisk your butt off making sure to scrape the bottom of the pan. The sauce will slowly start to thicken as the eggs cook.
      Once the sauce is thick enough, (think creamy soup) turn off the heat. Finally, whisk in your lemon juice (and honey if using), add salt and pepper to taste. Set sauce aside. *Your sauce will thicken as it sits. If needed, add a little water to loosen up.
    • When ready, start to assemble your crostini directly on your baking sheet. Place one to two slices of filet onto each followed by two asparagus spears, then a spoonful of the crab meat. Cover with tin foil and place in a 350°F oven until all components are warmed through (about 10 minutes). The bottom of the crostini will also get a chance to crisp up! Take out and place on serving platter with sauce drizzled generously over each.

    Recipe Notes

    Tips*
    You can make the componenets AHEAD of time even the sauce. Then refrigerate until ready to assemble crostini! (toast the crostini the day of so its not stale)
    Use clarified butter if you don't want a smokey household from searing your filets. Clarified butter is butter with the milk solids removed. To remove them, melt the butter in the microwave or in a saucepan and scoop off the white foamy part that rises to the top. The yellow butter in the middle is what you want!

    Nutrition

    Serving: 2crostini | Calories: 278kcal | Carbohydrates: 4.7g | Protein: 19.7g | Fat: 19.5g | Saturated Fat: 10.5g | Cholesterol: 157mg | Sodium: 329mg | Potassium: 248mg | Fiber: 0.5g | Sugar: 3g | Calcium: 110mg | Iron: 2mg
    Tried this Recipe? Tag Me On Facebook!Mention @AlekasGetTogether or tag #AlekasGetTogether!
    « Holiday Stuffing Biscuit Cups (with Sausage)
    Healthy Chocolate Strawberry Yogurt Truffles »

    Share This Recipe!

    2.7K shares
    • Share
    • Tweet

    Reader Interactions

    Comments

    1. Maggie Schmiedte

      November 02, 2020 at 12:40 am

      I have just printed your Steak and Crab Crostini recipe, I’m from Australia and a little confused a stick of butter is about 4 oz.?
      In the bearnaise sauce I assume you melt that butter to add it?
      Also is has honey in the ingredients but can’t see where you add it.
      Thanks
      Maggie

      Reply
      • Aleka Shunk

        November 02, 2020 at 12:02 pm

        Hi Maggie! Thank you for pointing that out. A stick in the US is typically 8 tbsp which is 4 oz. The honey is optional which you would add in with your yolks. The butter should be melted so you can slowly stream in the rest as you whisk! *I updated the instructions to say this so if you want to re-print them, you can! Thank you and please send a photo when you try them! I'd love to hear how they turn out! 🙂

    2. Gloria

      February 07, 2020 at 7:23 pm

      I would like to subscribe but do not see a place to do so
      Gloria Brandt---sunshinegb@earthlink.net

      Reply
      • Aleka Shunk

        February 08, 2020 at 12:22 pm

        Hi Gloria! I will add you to our list! Thanks so much for reaching out!! 🙂

    Tried the recipe? I'd love to hear your thoughts below! Cancel reply

    Your email address will not be published. Required fields are marked *

    Recipe Rating




    Primary Sidebar

    Search a recipe!

    Welcome to Aleka's Get-Together where I share recipes and tips for entertaining at home! If you love hosting like me, sign up to receive FREE recipes and tips below! More about me...

    Spring Is Here!

    • Mini Egg Custard Tartlets (Using A Muffin Tin!)
    • Mother's Day Games
    • English Tea Finger Sandwiches (3 Recipes!)
    • 23 Mini Sandwich Ideas (Party Appetizer Sliders)

    Aleka's Favorites

    • Easy COLD Appetizers
    • Mini Cinnamon Sugar Brioche French Toast Bites
    • Starbucks Copycat Egg Bites Recipe (In Oven)
    • EASY Beer-Battered Onion Rings (w/ Red Pepper Aioli)

    Footer

    ↑ back to top

    About

    • Privacy Policy
    • Affiliate Disclaimer
    • Accessibility Policy

    Work With Me

    • Work With Me
    • Media Kit

    Contact Me

    • Contact
    • Sign Up to receive FREE recipes!

    As an Amazon Associate I earn from qualifying purchases.

    Copyright © 2022 Aleka's Get-Together.

    2722 shares