Hands On: 20 minutes
Total: 20 minutes
1. Heat large skillet sprayed with cooking spray over medium-high heat 1 minute. Add peppers and cook 5 minutes, or until soft and beginning to brown, stirring occasionally.
2. Stir in tomato sauce and ketchup; blend well. Simmer 10 minutes over low heat, stirring frequently.
3. Serve 1/2-cup sauce on bottom of heated bun; top with upper bun. Serve immediately.