Canning Tomato Sauce

Ingredients

15 pounds ripe tomatoes

1/4 to 1/2 cup lemon juice or red wine vinegar

2 teaspoons salt (optional)

Equipment

6 1/2-quart or larger Dutch oven or stockpot

Mixing bowls

Slotted spoon

Knife and cutting board

Food processor or blender

Jars for canning or containers for freezing