Spicy Meatloaf With Ranch Potatoes

3/4 cup ketchup
1 tbsp hot pepper sauce
1/4 tsp cayene pepper
2 1/2 lbs ground beef
1 egg
1/4 cup plain dry bread crumbs
1 tbsp onion powder
1 tbsp garlic powder
1 1/2 tsp salt
2 tbsp worcestershire sauce
6 cups instant mashed potatoes (when cooked)
3/4 cup bottled ranch dressing
2 tbsp chopped chives
1/4 tsp pepper
butter

Preheat oven to 375F. Coat shallow roasting pan with cooking spray. In small bowl, combine ketchup, pepper sauce, cayene; reserve. In large bowl combine beef, egg, crumbs, onion powder, garlic powder, salt worcestershire sauce and 2 tbsp ketchup mixture. Transfer mixture to pan; shape into 8x5" loaf. Brush half of remaining ketchup mixture. Bake 30 minutes. Brush with remaining ketchup mixture, bake 30 minutes or until meat is 160 degrees. Meanwhile prepare potatoes according to package directions. Stir in salad dressing, chives and pepper. Top with butter if desired.