Pour in the granulated sugar, brown sugar, cinnamon, nutmeg, and flour into a dutch oven or large pot.
Stir the ingredients until everything is well combined.
Pour in the water, and stir.
Place the dutch oven, or large pot over medium high heat.
Stir continuously to prevent clumps.
Once the mixture thickens, reduce the heat from medium high, to medium low.
Pour the lemon juice on the apples, and toss.
Carefully start adding the apple into the dutch oven or pot.
Let cook, until the apple are tender.
Let the mixture cool completely
Store 4 cups of mixture into gallon freezer bags.
Make sure that you label the bags with the dates, and etc.
Place the bags into the freezer
YOU CAN STORE THIS FILLING FOR UP TO 9 MONTHS.