Easy Bearnaise Sauce Recipe

Ingredients

• 0.25 cup butter
• 2 large egg yolks, beaten
• 2 tablespoons heavy cream
• 1 tablespoon white wine vinegar
• 1.5 teaspoons lemon juice
• 1 teaspoon minced onion
• 1 teaspoon dried tarragon
• 1 teaspoon chopped fresh parsley
• 0.25 teaspoon salt
• 1 pinch dry mustard
• 1 pinch cayenne pepper