Mix above ingredients in a bowl, then spread in baking pan (9x13 give or take).
Mix above ingredients until a crumbled consistency. Cover topping over apple mixture. Place in 350 preheated oven for 30-45 minutes or until golden brown and sides are bubbling. Using a fork, check that apples are tender. Remove from oven to cool to room temp. Will serve 12+. Refrigerate if crisp will not be eaten within a couple days.