Healthy recipe : Ace's BBQ Sauce for Grilling recipe.

Ingredients
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

Directions
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.