2 lbs. ground beef
1 cup soft breadcrumbs
3/4 cup Burgundy wine
1 (4 ounce) can sliced mushrooms,drained
2 teaspoons onion salt
1 teaspoon dry mustard
1 teaspoon Worcestershire sauce
1/4 teaspoon garlic powder
1/4 teaspoon pepper
8 hamburger buns

Mix together first 9 ingredients.Shape into 8 patties.Broil or grill 4−5
inches from heat 5 minutes on each side or until desired degree of
doneness.Serve in hamburger buns with sliced tomatoes and onions.