Strawberry Lemon Marmalade

This is from Recipezaar.

Strawberry Lemon Marmalade

• 1/2 lemon
• 1/4 teaspoon baking soda
• 2 quarts strawberries
• 1 package pectin
• 6 cups sugar

1. Squeeze lemon half, reserve 1 Tablespoon of lemon juice.
2. Remove the pulp and white membrane from the lemon peel, slice peel thinly.
3. Combine the peel and baking soda in a small saucepot, adding just enough water to cover peel; simmer 5 minutes.
4. Remove from heat; drain peel; set aside.
5. Slice the strawberries; measure 4 1/2 cups of prepared strawberries.
6. Combine the strawberries, lemon juice, lemon peel and pectin in a large saucepot.
7. Bring slowly to a boil.
8. Add the sugar, stirring until dissolved.
9. Bring to a rolling boil; boil hard for 1 minute, stirring constantly.
10. Ladle the hot marmalade into hot jars, leaving ¼- inch headspace.
11. Adjust two-piece caps.
12. Process 10 minutes in a boiling water canner.
13. This recipe yields about 8 half-pints.