Old-fashioned oats work best in this recipe. If you use instant oats, the topping might not be as crispy.
Keyword Make Ahead, baking
Prep Time 10minutes
Cook Time 50minutes
Total Time 1hour
6cupspeeled, cored, and thinly sliced(6 large, 7 small apples)
1 1/2cupsold-fashioned oats
1cupbutter, slightly softened(2 sticks)
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.