Strawberry Marmalade

Instructions

1. Peel the outer layer of oranges and lemons; set aside.
2. Remove the white membrane from the fruit and discard.
3. Set the fruit aside.
4. Chop the peels and place in a large saucepan.
5. Add water and baking soda; cover and bring to a boil.
6. Simmer for 10 minutes.
7. Meanwhile, section the oranges and lemons, reserving the juice.
8. Add the fruit and juice to the saucepan; cover and simmer for 20 minutes.
9. Add strawberries. Measure the fruit; return 4 cups to the saucepan. If more than 4 cups, discard the extra; if less, add water to make 4 cups.
10. Add sugar and mix well.
11. Boil uncovered for 5 minutes.
12. Remove from heat; stir in liquid fruit pectin.
13. Stir for 5 minutes to cool; skim off foam.
14. Pour into half-pint jars or freezer containers, leaving 1/4-inch headspace.
15. Adjust caps.
16. Process in a boiling-water bath for 10 minutes or store in the freezer.