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Instructions
Preheat the oven to 300 degrees F (150 degrees C). Grease an 8-inch square pan.
Mix flour, 1 cup sugar, egg, and baking powder together until well combined. The mixture will look like cornmeal.
Peel, core, and slice apples; mix with 1/2 tablespoon cinnamon. Place apples in the prepared pan. Spread flour mixture over apples. Mix 1/4 cup sugar with remaining 1 tablespoon cinnamon; sprinkle over top of the crisp. Drizzle with melted butter.
Bake in the preheated oven until golden on top and fruit is bubbling, about 1 hour. Serve warm.