6cupspeeled, cored, and thinly sliced(6 large, 7 small apples)
1cupsugar
Topping
1 ½teaspoonscinnamon
1 ½cupsold-fashioned oats
1cupbrown sugar
1cup flour
1cupbutter, slightly softened(2 sticks)
Instructions
Preheat oven to 350 degrees F. Toss the apples and sugar in a medium bowl until well combined. Add them to a 9" x 9" or 9" x 13" baking dish.
In a large bowl, mix dry topping ingredients. Cut butter sticks into quarters. Add them to dry ingredients. Use your hands or a pastry cutter to cut the butter in until it's pebble-sized crumbles. Spoon evenly over the apples.
Bake for 45-50 minutes, until the top is golden and the edges are bubbly.