Pan-Seared Sirloin Steaks with Miso-Butter Pan Sauce | America's Test Kitchen

Ingredients

• 4 (8- to 10-ounce) boneless top sirloin steaks, 1 inch thick, trimmed
• 2 teaspoons kosher salt
• 1 1/2 teaspoons pepper
• 1 tablespoon vegetable oil
• 4 tablespoons unsalted butter, cut into 1-tablespoon pieces and chilled, divided
• 2 scallions, white and green parts separated and sliced thin
• 1 tablespoon red or white miso
• 1 garlic clove, minced
• 1/2 cup chicken broth
• 2 tablespoons soy sauce
• 1 tablespoon dry mustard
• 2 teaspoons packed light brown sugar
• 2 teaspoons unseasoned rice vinegar