The best hot dog onions

The same onions you find in the hot dog carts

1 qt onions tightly packed,
1 tsp paprika,
3 Tab white vinegar
1/2 cup tomato sauce,
1/4 tsp cayenne pepper,
1 cup water,
2 1/2 tsp suger ,
2 tsp sea salt,
1/2 tsp garlic powder,
1/2 tsp. chili powder,

1 tsp corn starch mixed with 1 tsp cold water