1. Mix well the first 7 ingredients (meat through to pepper) and form into twelve 1/4-inch thick patties. 2. Melt the butter and saute the mushrooms lightly in it. 3. Place on 6 of the patties. 4. Top with remaining patties and seal edges. 5. Broil or grill to desired doneness. 6. Top with cheese. 7. Place each patty on a slice of toasted bread and top with another slice of toast. ---------------------------------------------------------------------------
Nutrition
Ingredients