
Warm, bubbling apple filling beneath a golden, crumbly oat topping — this is the kind of dessert that makes the whole kitchen smell incredible. The filling comes together with fresh-sliced apples, maple syrup, and a touch of arrowroot starch to thicken everything into a glossy, jammy base that holds its shape beautifully once it rests. Ceylon cinnamon brings a softer, more floral warmth than standard cinnamon, and it runs through both the filling and the topping for a cohesive, cozy flavor in every bite. The topping is where things get really satisfying — rolled oats and almond flour get worked together with cold butter until clumpy and crumbly, then bound with maple syrup into a rustic, textured crust that bakes up deeply golden. Carrageenan is a thickener and stabilizer that sneaks into a surprising number of store-bought desserts, dairy alternatives, and even some packaged fruit fillings, so making this from scratch means you stay in full control of every ingredient. Nothing here relies on processed shortcuts — just whole, recognizable pantry staples doing exactly what they're supposed to do. Let it rest those ten minutes after baking and the filling thickens into something truly spoonable and rich, perfect on its own or alongside whatever topping you trust.
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Learn more →6 servings









Preheat the oven to 350°F (175°C). Lightly grease a 9x13-inch baking dish.
In a large mixing bowl, toss the sliced apples with the maple syrup, Ceylon cinnamon, and arrowroot starch until every slice is evenly coated. Transfer the apple mixture to the prepared baking dish and spread into an even layer.
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