10 apples, peeled, cored, and sliced 1 Tbsp cinnamon 1 Cup butter 1 Cup flour 1.5 cup brown sugar 1.5 cup oats
Place apples into 13 x 9 pan and sprinkle with cinnamon. Make crumb topping out of the remaining ingredients. Bake at 350 for 35 to 45 minutes. Cut 6 times down the long side of the pan, and 3 times down the short side to yield 18 pieces.