Apple Pie Bubble Up

1 (12-oz) can refrigerated Pillsbury Grands Jr biscuits (10 count)
1 (21-oz) can apple pie filling
1 tsp cinnamon
1 cup butterscotch chips
1/2 cup powdered sugar
1 Tbsp milk

How to make it :

Preheat oven to 350 degrees. Lightly spray a 9x13-inch pan with cooking spray.
In a large bowl combine apple pie filling, cinnamon and butterscotch chips. Using a spatula, chop up apple slices into bite-sized pieces. Cut biscuits into 4 pieces. Stir into apple mixture.
Pour into prepared pan and bake 25-30 minutes. Combine powdered sugar and milk. Drizzle over baked casserole.