Foryoueats: Apple Crumble

1 cup all purpose flour

3/4 cup brown sugar light or dark

1 teaspoon baking powder

½ teaspoon salt

½ teaspoon ground cinnamon

8 tablespoons unsalted butter melted

2 ½ pounds Granny Smith apples peeled, cored, and sliced or diced into bite sized pieces (about 6 to 7 cups)

½ cup granulated sugar or brown sugar

1 tablespoon lemon juice

2 tablespoons corn starch or all purpose flour

½ teaspoon salt

1 teaspoon ground cinnamon

Apple Crumble