Step 1

Place oven rack in lower third of oven. Heat oven to 400°F for dark or nonstick pan (425°F for all other pans). Spray 15 x 10 x 1-inch pan with cooking spray.

Step 2

In 12-inch nonstick skillet, heat oil over medium heat. Stir in onion to coat with oil. Cook uncovered 10 minutes, stirring every 2 to 4 minutes. Reduce heat to medium. Cook 15 minutes longer, stirring well every 3 to 5 minutes, until onions are golden brown (onions will shrink during cooking). Set aside.

Step 3

Unroll dough in pan; starting at center, press dough into 15 x 10-inch rectangle. Bake 8 minutes or until light brown.

Step 4

Spread pizza sauce over partially baked crust. Top with roast beef, onion, cheese and bell pepper.

Step 5

Bake 8 to 10 minutes longer or until crust is golden brown and cheese is melted. To serve, cut into 6 rows by 3 rows.