1/4 pound ground round |
2 tablespoons frozen egg substitute, thawed |
1 tablespoon dried onion flakes |
1 teaspoon prepared horseradish |
1/4 teaspoon dry mustard |
vegetable cooking spray |
1/2 teaspoon reduced-calorie margarine |
1 tablespoon finely chopped green pepper |
1 tablespoon finely chopped onion |
1/4 teaspoon garlic powder |
1/8 teaspoon salt |
1/8 teaspoon ground red pepper |
1/2 cup no-salt-added tomato sauce |
1 (2 1/2-ounce) jar sliced mushrooms, drained |