10cupsPeeled, cored, and sliced apples(about 8 large apples; firm varieties like Granny Smith, Honeycrisp, or Cortland)
2teaspoonsLemon juice(freshly squeezed)
1cupGranulated sugar
2teaspoonsGround cinnamon
1/4cupCornstarch
1/4teaspoonSalt
1/4teaspoonGround nutmeg(optional but recommended)
1 1/2cupsWater
Instructions
In a large bowl, toss the 10 cups peeled, cored, and sliced apples with 2 teaspoons lemon juice; set aside.
In a Dutch oven or large heavy pot over medium heat, combine 1 cup sugar, 1/4 cup cornstarch, 2 teaspoons ground cinnamon, 1/4 teaspoon salt, and 1/4 teaspoon ground nutmeg. Whisk dry ingredients together so there are no lumps.
Add 1 1/2 cups water and stir to combine. Bring the mixture to a boil over medium heat, stirring constantly to prevent sticking. Allow it to boil for 2 minutes until the mixture thickens and becomes glossy.
Add the prepared apples to the boiling mixture; return to a boil. Reduce heat to medium-low; cover and simmer, stirring occasionally, until apples are tender but still hold their shape, about 6 to 8 minutes.
Remove from heat and cool for 30 minutes. If you plan to freeze, ladle filling into freezer-safe containers, leaving 1/2 inch headspace for expansion. Seal containers tightly and freeze.
Notes
This filling can be kept for up to 12 months in the freezer.