Heavenly Jam

Directions

1. 1
   Grind unpeeled oranges and lemons in a food processor or grinder; transfer to a large kettle.
2. 2
   Add baking soda; simmer for 10 minutes.
3. 3
   Peel remaining fruit; grind then crush it.
4. 4
   Add to orange mixture; measure and return to kettle.
5. 5
   Add sugar equal to the amount of fruit.
6. 6
   Boil until thick, about 30 minutes.
7. 7
   Pour it into hot jars, leaving 1/4-inch head space.
8. 8
   Adjust caps.
9. 9
   Process for 20 minutes in a boiling hot water bath.