This is a recipe for apple pie made without apples. It has all the characteristics of an apple pie with apples. If you didn't know better, you'd think that there really were apples in it. This is an old chemistry lab experiment to teach the limits of human senses.
1 recipe pastry for a 9 inch double crust pie
2 cups water
1 1/2 cups white sugar
1 1/2 teaspoons cream of tartar
25 buttery round crackers
1/2 teaspoon ground cinnamon
2 tablespoons butter