Homemade Canned Salsa

Ingredients

• 14 cups tomatoes, washed and cored (no need to peel, chop, or drain them)
• 3 cups onions, quartered
• ½ cup chili peppers (optional)
• 3 cups green, yellow, or red sweet peppers
• 10 garlic cloves, peeled
• 1 cup tomato sauce
• 1 cup ketchup
• ¾ cup vinegar
• 10 tbsp cornstarch or arrowroot powder
• 2 ½ tbsp salt
• 1 tbsp chili powder
• 1 ½ tsp ground cumin