Apple Pie Filling

4 1/2 cups white sugar
1 cup cornstarch
2 teaspoons ground cinnamon
1/4 teaspoon ground nutmeg
2 teaspoons salt
10 cups water
3 tablespoons lemon juice
6 pounds apples

1.in a large pan, mix sugar, cornstarch, cinnamon and nutmeg. Add salt and water and mix well. Bring to a boil and cook until thick and bubbly. Remove from heat and add lemon juice.
2.Sterilize canning jars, lids and rings by boiling them in a large pot of water.
3.Peel, core, and slice apples. Pack the sliced apples into hot canning jars, leaving a 1/2 inch headspace.
4.Fill jars with hot syrup, and gently remove air bubbles with a knife.
5.Put lids on and process in a water bath canner for 20 minutes.