Pastrami And Caramelized Onion Grilled Cheese. Recipe

Ingredients For Pastrami And Caramelized Onion Grilled Cheese. Recipe

• 1.5 tablespoon unsalted butter plus more if needed
• 1 small onion thinly sliced
• 0.5 tablespoon Sugar
• Kosher Salt And Freshly Ground Pepper
• 0.75 cup dark beer
• 2 ounce deli shaved pastrami or deli sliced corned beef or leftover corned beef cut into strips
• 2 teaspoon Worcestershire sauce
• 1 tablespoon whole grain mustard
• 1.5 cup grated Jarlsberg cheese about 6 ounces
• 4 slices pumpernickel or dark rye bread