In large skillet, over medium-high heat, sauté beef 3 minutes or until browned. Add onion, green pepper, garlic and chili seasoning; cook stirring 3 minutes longer.
Stir in tomatoes and their juice, tomato paste, ground red pepper and 1 teaspoon salt; bring to boiling. Reduce heat; simmer, uncovered 10 minutes.
Preheat barbecue grill. With knife score frankfurter crosswise about one third though.
Grill 6 inches from heat and turning occasionally 5 minutes. Place rolls or grill to toast lightly.
Place frankfurters in rolls. Spoon some chili onto each frankfurter; sprinkle each with cheese. If desired, serve with potato chips.
