Salsa (For Canning)

Anyone out there canning? Here's an easy salsa recipe.
10 c. peeled tomatoes chopped
6 c. chopped mixed chilies
4 c. chopped onion
3 tsp. salt
½ tsp. pepper
1 c. vinegar
Combine ingredients in large saucepan. Heat to a boil and simmer 10 minutes if using paste tomatoes or 20-25 if using slicing tomatoes. Ladle hot mixture into hot pint jars leaving ½ inch headspace. Adjust lids and process in boiling water 20 minutes. Makes 6-8 pints.