3 berry and pineapple crumble Recipes

yellow cake mix, chilled unsalted butter , cut into pieces, dark brown sugar, old-fashioned oats, ground cinnamon, chopped pecans, frozen unsweetened blueberries, crushed pineapple in heavy syrup, vanilla ice cream

banana, pineapple chunks in juice, frozen mixed berries, apples, peeled and diced, unsweetened applesauce, ground almonds, chopped walnuts or 1 cup pecans, whole oats (not quick oats), cinnamon, salt (less if using ed butter), melted butter, honey