Mom's Apple Pie

This is my mom's famous apple pie recipe. It is so delicious!! I love it!

1/4 cup sugar1 tablespoon flour
1/2 teaspoon cinnamon
Dash of salt
5-6 granny apples
1/4 cup butter
3/4 cup brown sugar
1/2 cup flour

Blend the 1/4 cup sugar, 1 tablespoon flour, cinnamon, and salt. Toss with apple slices. Spoon into pastry-lined pan. Combine softened butter, brown sugar, and 1/2 cup flour (should look like crumbs) and sprinkle over pie filling. Cover with top crust and cut slits in top of crust. Bake at 425 degrees about 35-40 minutes.