This simple baked dessert is the kind of homespun treat that feels right at home on a Grandparents Day table. With dry rolled oats and just three other everyday pantry staples, it bakes into a cozy, spoonable dessert with a golden, hearty topping and sweet fruit bubbling underneath. It is a wonderful choice when you want something easy, affordable, and comforting without a long ingredient list or a lot of fuss.
Serve this warm with a scoop of vanilla ice cream, a dollop of whipped cream, or a spoonful of plain Greek yogurt if you like a less sweet finish. For a family dessert spread, it pairs nicely with hot coffee, tea, or cold milk, and it is especially nice alongside fresh apple slices or extra fruit to keep the meal feeling simple and old-fashioned.
4-Ingredient Oven Baked Oat Dessert
Servings: 6
Ingredients
3 cups dry uncooked rolled oats
1 can (21 ounces) apple pie filling
1/2 cup packed brown sugar
1/2 cup unsalted butter, melted
Directions
1. Preheat your oven to 350°F and lightly grease an oven-safe casserole dish.
2. Spread the apple pie filling evenly across the bottom of the casserole dish.
3. In a medium bowl, stir together the rolled oats, brown sugar, and melted butter until the oats are evenly coated.
4. Sprinkle the oat mixture evenly over the apple filling, covering most of the surface.
5. Bake for 30 to 35 minutes, until the top is golden and the fruit is bubbling around the edges. Let it rest for 10 minutes before serving.
Variations & Tips
Peach version: Swap the apple pie filling for peach pie filling for a softer, sunnier flavor that is especially nice at the end of summer.
For picky eaters: If your family prefers a sweeter topping, add an extra tablespoon or two of brown sugar to the oat mixture. If they like a softer texture, cover the dish loosely with foil for the first 20 minutes of baking.
Make it a little richer: A small pinch of cinnamon or a splash of vanilla stirred into the filling makes this taste even more like a classic fruit crisp, even though the ingredient list stays nice and simple.
Serving tip: This dessert is best served warm, but leftovers can be covered and refrigerated. Reheat individual portions in the microwave so the fruit loosens back up and the topping turns tender again.