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Close-up of a ramekin filled with melted Roasted Garlic Cowboy Butter showing visible chunks of garlic and grainy mustard.

Roasted Garlic Cowboy Butter: The Ultimate Rich and Zesty Steak Sauce

Elevate your steak night with this Roasted Garlic Cowboy Butter. Featuring caramelized roasted garlic, grainy mustard, and fresh herbs, this glossy melted sauce is the perfect textured companion for seared beef or pork.
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Prep Time 50 minutes
Cook Time 10 minutes
Total Time 1 hour
Servings: 8 tablespoons
Course: Dinner, Sauce
Cuisine: American
Calories: 210
Ingredients Equipment Method Notes

Ingredients
  

Butter Components
  • 1 whole Head of Garlic Roasted until caramelized
  • 1 cup (227g) Unsalted Butter High quality grass-fed preferred
  • 1 tbsp (15g) Grainy Mustard For texture
  • 2 tbsp (8g) Fresh Parsley Finely chopped
  • 1 tsp (2g) Red Pepper Flakes For vibrant red flecks
  • 1 whole Lemon Zested
  • 1 tsp (6g) Coarse Sea Salt To taste

Equipment

  • 1 Aluminum foil For roasting garlic
  • 1 Small saucepan To melt butter

Method
 

Preparation
  1. Preheat oven to 400°F (200°C). Slice the top off the garlic bulb, drizzle with oil, wrap in foil, and roast for 40-50 minutes until soft and golden.
  2. Melt butter in a saucepan over low heat. Squeeze the roasted garlic cloves into the butter, mashing slightly to create a textured, glossy consistency.
  3. Whisk in grainy mustard, red pepper flakes, lemon zest, parsley, and sea salt. Stir until combined and serve warm over seared steak.

Notes

Use a single whole clove of roasted garlic as a garnish in the ramekin for visual appeal.
Ensure the parsley is added off the heat to keep it bright green.