Cooked sweet onions and a spicy ketchup top these grilled hot dogs.
1. In a large nonstick skillet, cook onions in the oil over medium-low heat, covered, for 15 minutes. Stir occasionally.
2. Stir in water, the ketchup, sugar, red pepper flakes and salt. Cook, covered, for 10 minutes, stirring occasionally. Spoon about 1/4 cup topping over each hot dog.