German Currywurst – – tomato sauce (15 oz.), bratwurst (or other sausage (kielbasa is a good substitute)), chili sauce, brown mustard, sugar, curry powder, black pepper, onion powder, garlic powder, paprika (for topping), curry powder (for topping), Pour the tomato sauce into a large saucepan, than add chili sauce, mustard, sugar, curry powder, black pepper, onion powder and garlic powder. Simmer over medium heat to reduce slightly for about 5 minutes. Stir occasionally and simmer another 5 minutes.; Boil the sausage to heat throughout, then place on a hot grill to brown. Slice into 1/2 inch (bite sized) pieces.; Place the cut sausage in a bowl and pour the tomato mixture over it.; Sprinkle the paprika and curry powder of the top and serve.; –