Add the apples, sugar, butter, lemon juice, and cinnamon to a small sauce pan. Stir them together and heat over medium. 3 cups chopped apples, 6 TBS granulated sugar, 2 TBS unsalted butter, 1 TBS lemon juice, 1 tsp ground cinnamon
Stir the cornstarch, and water together in a small bowl. Pour the cornstarch slurry over the apple mixture, and stir it into the mixture. Bring the mixture to a boil, then lower the heat to a simmer. Cook for 5 to 8 minutes, stirring often, until the sauce is thickened. 1 TBS cornstarch, 1 TBS water
Remove from heat and stir in the vanilla extract. 1/2 tsp vanilla extract
Transfer the apple pie filling to another bowl and let it cool for 20-30 minutes.
Take one egg roll wrapper and scoop 2 TBS of the apple filling into the bottom middle of the wrapper. 8 egg roll wrappers
Fold the egg roll wrapper according to the package directions. Fold up the bottom corner over the filling, fold in the sides, then roll up the wrapper.
Brush the visual edges of the wrapper with water to seal them. Repeat with additional filling and wrappers.
Heat 1 inch of oil in a large heavy duty sauce pan to 350 F.
Add half of the egg rolls at a time, cooking until the wrappers are golden brown. Flip half way through to cook both sides evenly. Cook for about 5-6 minutes total.
Remove the egg rolls and place them on a stack of paper towels to soak the grease. Repeat cooking additional egg rolls.
Sprinkle warm egg rolls with cinnamon sugar mixture or powdered sugar.
Serve hot with whipped cream, or caramel syrup if desired.