Small-Batch Old Fashioned Tomato Marmalade (Canning) - cooking recipe

Ingredients

5 cups coarsely chopped peeled tomatoes (about 2 1/2 lb.)
2 large oranges (preferably organic, as pesticides are in peels)
1 lemon (ditto)
4 cups granulated sugar

Preparation

Place tomatoes in a very large non-reactive saucepan.
Halve and seed oranges and lemon. Finely chop fruit in food processor or blender and add to tomatoes. Bring mixture to a full boil over high heat. Slowly add sugar, stirring until sugar is completely dissolved. Return to a boil and boil rapidly until mixture forms a gel, about 1 hour, stirring frequently. Remove from heat.
Ladle into hot jars and process for 10 minutes in a boiling water bath.
VARIATION, GINGERED TOMATO MARMALADE. Add 3 tablespoons finely chopped peeled gingerroot during cooking.