- 1 1/2 cups distilled white vinegar
- 3/4 cup prepared yellow mustard
- 1/4 cup margarine
- 2 teaspoons salt
- 1 teaspoon ground black pepper
- 2 teaspoons crushed red pepper flakes
- 1 clove garlic, minced
- 1 tablespoon white sugar
- Stir the vinegar, mustard, margarine, salt, black pepper, red pepper flakes, garlic, and sugar together in a saucepan over medium-high heat until the mixture comes to a boil. Reduce heat to medium-low and simmer until thickened, about 25 minutes.