Mama's BBQ Sauce

1 can tomato sauce
1/4 cup apple cider vinegar
1 Tbs. lemon juice
1 Tbs. molasses
1 Tbs. Worcestershire sauce
1 Tbs. paprika
1 Tbs. garlic salt
3/4 tsp. black pepper
1/8 tsp. red pepper flakes
3 doonks stevia