Ingredients (serves 6)
- Cooking spray
- 2 cups vertically sliced onion
- 1 (8-ounce) package presliced mushrooms
- 3/4 teaspoon salt, divided
- 1 (8-ounce) boneless sirloin steak, trimmed
- 1/4 teaspoon coarsely ground black pepper
- 3 (7-inch) refrigerated individual pizza crusts
- 2 tablespoons low-fat mayonnaise
- 1 1/2 teaspoons prepared horseradish
- 1/3 cup (about 1 1/2 ounces) crumbled blue cheese
Instructions
Preheat oven to 450°.
Heat a large nonstick skillet coated with cooking spray over medium-high heat. Add onion and mushrooms; cover and cook 3 minutes. Uncover and cook 5 minutes, stirring occasionally. Stir in 1/4 teaspoon salt; remove onion mixture from pan.
Sprinkle steak with 1/2 teaspoon salt and pepper. Add steak to pan; cook over medium-high heat 3 minutes on each side or until desired degree of doneness. Let stand 5 minutes; cut steak diagonally across grain into thin slices.
Place crusts on a baking sheet. Bake at 450° for 3 minutes. Remove crusts from oven.
Combine mayonnaise and horseradish; spread each crust with about 2 teaspoons mayonnaise mixture. Arrange onion mixture evenly over crusts; bake at 450° for 2 minutes. Divide steak and cheese evenly among pizzas; bake an additional 2 minutes or until cheese melts. Cut each pizza in half.
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