Sunday Supper Da Ultimate BBQ Sauce

• 1 medium onion, chopped
• 1 stalk celery, chopped
• 1 (32 ounce) bottle barbecue sauce
• 12 cup granulated sugar
• 12 cup light brown sugar
• 12 cup water
• 14 cup rice vinegar, with red pepper flakes

1. Combine all ingredients in a heavy pot.
2. Blend well.
3. Cook over medium heat for 30 minutes.
4. Taste and adjust seasoning or taste as desired.
5. Cook for 10 more minutes.
6. Do not boil and stir well.
7. Remove from heat and allow to cool.
8. Let sit in refrigerator overnight.
9. Note: Vegan replace barbecue sauce with tomato sauce.
10. Bring to room temperature before using.

onion, celery, barbecue sauce, sugar, light brown sugar, water, rice vinegar

Taken from www.food.com/recipe/sunday-supper-da-ultimate-bbq-sauce-310096 (may not work)