A flavorful onion relish to elevate your hot dog experience.
Heat the olive oil in a saucepan over medium heat.
Ensure the oil is hot but not smoking before adding the onions.
Add the sliced onions and minced garlic to the saucepan and sauté until softened.
Stir frequently to prevent the garlic from burning.
Stir in the ketchup, cayenne, red pepper flakes, and paprika.
Mix well to ensure the spices are evenly distributed.
Simmer the mixture on low heat for 15 minutes, stirring occasionally.
Keep the heat low to avoid scorching the sauce.
Add the vinegar and continue to simmer for another 30 minutes.
Taste and adjust the seasoning if needed.
Season with salt to taste and serve warm over grilled hot dogs.
This relish is also great as a topping for burgers or sandwiches.