for the crust
2 1/2 cups all purpose flour
1 tablespoon sugar
3/4 teaspoon salt
10 tablespoons (1 1/4 sticks) chilled unsalted butter, cut into 1/2-inch pieces
1/3 cup chilled solid vegetable shortening, diced
6 tablespoons (or more) ice water
for the filling
10 apples, very thinly sliced (I used pink lady apples, but red delicious are fine too) Do not peel.
3 tablespoons lemon juice
1/2 cup sugar (more if your apples are super tart)
4 tablespoons corn starch
1/4 cup apricot jam, mixed with 1 tablespoon lemon juice
You will also need: a 12-cup muffin pan