Preheat oven to 350º. Prep a 9x13 baking pan with parchment. Lightly spray with baking spray. Make sure all ingredients are prepped and ready.
Baking spray
Mix flour, butter, and brown sugar with food processor until crumbly. Alternatively, use a fork or pastry cutter. Press into the prepared pan. Bake for 15-20 minutes until edges are golden brown and dough is just underbaked whicih will look moist but not wet.
2 cups flour, ½ cup packed brown sugar, 1 cup butter
While the crust is baking place apples in medium bowl and toss with 2 tablespoon sugar, cinnamon and the nutmeg. Set aside.
3 apples - peeled, ½ teaspoon ground cinnamon, ¼ teaspoon nutmeg, 2 tablespoon granulated sugar
Make crumb topping by combining the brown sugar, flour, oats, and softened butter. Use a fork or pastry cutter and mix until crumbly. Stir in egg white until just mixed. Set aside.
1 cup flour, 1 cup packed brown sugar, ½ cup oats, ½ cup butter, 1 egg white
In a medium bowl, using an electric mixer, cream together the cream cheese and ½ cup sugar until smooth. Beat in eggs and vanilla on low speed until just combined.
2 8 ounce cream cheese, ½ cup sugar, 2 large eggs, 1 t vanilla extract