Classic Apple Crumble
- 1 cup all-purpose flour
- 3/4 cup packed brown sugar (light or dark)
- 1 tsp baking powder
- 1/2 tsp salt
- 1/2 tsp ground cinnamon
- 8 tbsp unsalted butter, melted
- 2 1/2 lb granny smith apples, peeled, cored, and chopped (about 6 to 7 cups)
- 1/2 cup granulated sugar or brown sugar
- 1 tbsp lemon juice
- 2 tbsp cornstarch or all-purpose flour
- 1/2 tsp salt
- 1 tsp ground cinnamon