
Bright, jammy blueberries bubbling beneath a golden, coconut-laced crumble topping — this dessert is the kind of thing that makes a kitchen smell absolutely incredible. The filling gets a lift from fresh lemon juice, lemon zest, and a hint of ground ginger, while arrowroot starch pulls it all together into a glossy, spoonable base that isn't watery or overly sweet. The crumble itself is built on cassava flour, tapioca starch, and shredded coconut, with solid coconut oil worked in until it forms those satisfying, irregular clumps that bake up crisp and golden. Every single ingredient here is naturally free from tree nut concerns — no swaps needed, no label-scanning required, just straightforward pantry staples doing their job beautifully. That ten-minute rest after baking is worth every second of patience, since the filling thickens into something almost jamlike as it cools. Serve it warm on its own or with whatever topping makes you happiest — it holds up either way.
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Learn more →6 servings















Preheat the oven to 375°F (190°C). Lightly grease a 9-inch baking dish with coconut oil.
In a large mixing bowl, combine the blueberries, arrowroot starch, 2 tbsp honey, lemon juice, 1 tsp lemon zest, ground ginger, and 1/4 tsp salt. Toss until the berries are evenly coated and the starch is no longer visible as dry powder. Transfer the filling to the prepared baking dish and spread into an even layer.
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