Buttermilk Fried Chicken Sandwich -- Kathryn's Culinary Collection

Ingredients

• 1 lb ground beef or chicken
• 2 brioche buns or slices of bread
• 2 slices sharp cheddar
• 1 small yellow onion, sliced
• 2 tbsp butter
• 1 tbsp Worcestershire sauce
• Kosher salt and black pepper
• Pickles and mustard, to serve