What is an easy apple crumble recipe using oats?

An easy apple crumble recipe using oats is apple crisp from the Betty Crocker website calling for apples, flour, oats, butter and brown sugar. Layer the apples in a pan, mix the other ingredients together in a bowl, season with cinnamon and nutmeg, and sprinkle over the apples before cooking.

Another easy apple crumble recipe calls for mixing 14 ounces of peeled, cored and cut cooking apples with 2 ounces of sugar and 1 tablespoon of water in a saucepan. Cook on low for just five minutes until softened. After transferring the apples to a baking dish, mix 1 1/4 ounces of rolled oats, 1 1/4 ounces of flour and 3/4 ounces of sugar in a bowl. Cut in 1 1/4 ounces of cubed butter, and sprinkle the crumble mixture over the apples. Bake at 375 degrees Fahrenheit for 20 minutes.

Make old-fashioned apple crisp by combining in a baking dish 5 pounds of cored, peeled and cut apples with the zest and 2 tablespoons of juice from 1 lemon and 1 orange, 1/2 cup of granulated sugar, 2 teaspoons of ground cinnamon and 1 teaspoon of ground nutmeg. In a separate bowl, mix together 1 1/2 cups of flour, 3/4 cups of granulated sugar, 3/4 cup of light brown sugar, 1 cup of oatmeal and 1/2 teaspoon of kosher salt. Add in 1/2 pound of cold unsalted butter until the mixture forms a crumble, then sprinkle over the apples. Bake at 350 degrees Fahrenheit for one hour.