Grilled Cheese Burgers

I recommend this

I don't recommend this

Details

11 Ingredients

• 3 Tbsps extra virgin olive oil (EVOO), divided
• 1 small onion, very finely chopped
• 1 1/4 lbs ground sirloin
• 1 Tbsp Worcestershire sauce
• Salt and ground black pepper
• 8 slices white Pullman bread or whatever sandwich bread you like
• 3-4 Tbsps butter, softened
• 3-4 Tbsps Dijon mustard
• 8 slices Swiss cheese
• 8 slices bacon, cooked until crisp
• 8 slices tomato