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Steak Crostini Sauce

Rich, savory sauce that transforms simple ingredients into an elegant appetizer topping, perfect for family dinners or unexpected guests.
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Prep Time 5 minutes
Cook Time 12 minutes
Servings: 8
Calories: 45
Ingredients Method Notes

Ingredients
  

  • 2 tablespoons olive oil
  • 1 medium shallot, finely minced
  • 3 cloves garlic, minced
  • 1/2 cup red wine (or beef broth for alcohol-free)
  • 1 cup beef broth
  • 2 tablespoons Worcestershire sauce
  • 1 tablespoon Dijon mustard
  • 2 tablespoons cold butter
  • 1/2 teaspoon fresh thyme leaves
  • Salt and black pepper to taste

Method
 

  1. Heat olive oil in a medium saucepan over medium heat until it shimmers slightly. Add minced shallot and cook for 2-3 minutes until softened and fragrant. Stir in garlic and cook another 30 seconds until fragrant but not browned.
  2. Pour in red wine, scraping up any browned bits from the bottom of the pan with a wooden spoon. Let the wine simmer vigorously for 2-3 minutes until reduced by half.
  3. Slowly whisk in beef broth, Worcestershire sauce, and Dijon mustard. Bring to a gentle boil, then reduce heat to maintain a steady simmer. Cook for 5-6 minutes, stirring occasionally, until the sauce reduces and coats the back of a spoon lightly.
  4. Remove from heat and whisk in cold butter one tablespoon at a time. Stir in fresh thyme leaves and season with salt and pepper to taste.

Notes

Don't rush the wine reduction - insufficient cooking leaves harsh alcohol flavors. Avoid high heat when adding butter, as it can break the emulsion. Never skip scraping up the browned bits during deglazing. Yellow onion works when shallots aren't available. Balsamic vinegar can replace red wine for a sweeter profile. Refrigerate leftover sauce for up to 4 days or freeze for up to 3 months. Reheat gently over low heat, whisking in a splash of broth if needed to restore consistency.