1 cup half and half, 1 1/4 cup sugar, 1/3 cup flour, 1 teaspoon vanilla, dash of salt, 5 Granny Smith apples thinly sliced, 1 frozen Pillsbury pie crust.
Line pie pan with crust. Add sliced apples. Combine first five ingredients and pour over apples.
Crumb Topping: 1/2 cup flour, 1/3 cup sugar, 1/4 cup (1/2 stick) melted butter. Mix ingredients together and crumble on top of apples. Sprinkle with cinnamon.
Bake at 450 degrees for 15 minutes. Reduce temperature to 350 for 45 to 50 minutes. The pie should be bubbling in the middle when done.