Preparation / Directions:
Combine ground beef, 2 teaspoons Pizza Seasoning Blend and Garlic Salt. Shape into eight thin patties. Top four of the patties with cheese. Cover with remaining patties; press edges to seal. Refrigerate until needed. Combine tomato sauce, mushrooms and remaining Pizza Seasoning in small saucepan; simmer for 10 minutes, stirring occasionally. In skillet, saute onion in Onion Liquid Spice until tender; set aside. Grill, broil, or pan fry burgers until no longer pink. Spread bottoms of buns with a little sauce, top with burgers, onion and remaining sauce. Replace tops. Makes 4 servings.