If using Frozen strawberries drain off some extra liquid and run through blender if you want a less chunky jam. Stir all ingredients together and cook until thick- approx. 1-2 hours depending on how much liquid was in frozen strawberries.

If using fresh strawberries, heat strawberries, sugar, and lemon juice until they start releasing their liquid, then mash with a potato masher or blend to get a smoother jam. Simmer until a bit of cooled jam is thick and not runny. About 30-45 minutes.