COOK pasta in large saucepan for 1 to 2 minutes less than package directions (pasta should be slightly firm in texture); drain.
COOK beef and onion in large saucepan over medium-high heat until beef is no longer pink; drain. Reduce heat to medium. Stir in evaporated milk, pumpkin, tomato sauce, sugar, paprika, Worcestershire sauce, salt, garlic powder and black pepper. Cook, stirring occasionally, until mixture begins to simmer. Add pasta and peas; stir until heated.
• Freeze half the casserole for another meal. Thaw in refrigerator and reheat in microwave or on stovetop.
• Using pumpkin and evaporated milk not only adds depth of flavor, but also sneaks in extra nutrition to the casserole.