Salsa - cooking recipe

Ingredients

6 lb. firm ripe tomatoes (about 12 large)
1 lb. onions (about 2 large)
1 lb. green peppers (approximately 2 large)
1 large red pepper
1 1/2 c. distilled white vinegar
1 Tbsp. plus 1 tsp. salt
2 tsp. dry mustard powder
2 tsp. granulated sugar substitute
3/4 tsp. ground cumin
1/2 tsp. ground black pepper
1/8 tsp. crushed red pepper flakes

Preparation

Peel, chop and seed tomatoes.
Allow to drain in a colander. Chop onions and peppers (put through food processor).
In large pot over high heat combine all ingredients.
Bring to a boil. Reduce heat to medium and cook, stirring occasionally, 45 minutes to 1 hour or until thick.
Stir often to prevent sticking.