If using fresh strawberries wash and hull them. Slice them into 3 or 4 pieces per berry.
1 1/2 cups fresh or frozen strawberries
Put the strawberries along with the 1/3 cup of water, lemon juice and sugar in a small saucepan.
1/3 cup water, 1 Tablespoon lemon juice, 1/4 cup sugar
Bring it to a boil on medium heat, stirring gently.
Once it reaches a boil reduce the heat to low and use a potato masher ot mash the berries to your desired consistency. Let the berries simmer on low for about 5 minutes.
Mix the cornstarch with the cold water in a small bowl. Pour it into the berry mixture while stirring.
1 Tablespoon cornstarch, 1 Tablespoon cold water
Cook the berries for one more minute. Then take them off the heat and pour into a glass jar or bowl.
Let cool to room temperature, then store, tightly covered in the refrigerator.
Notes
You can easily double or triple this recipe.
This keeps in the refrigerator tightly covered for 2 weeks.