Lupin Free Honey-Nutmeg Apple Crumble Bars
Warm spiced apples, golden crumble, and a drizzle of honey — these bars hit every note you want from a cozy baked treat. The base and topping come together from a single crumble mixture built on rolled oats, rice flour, and tapioca starch, which means no wheat flour and no lupin-derived ingredients anywhere in the recipe. Cold butter worked into that dry mix creates those irresistible clumpy, golden crumbs that shatter just slightly when you bite in. The apple filling gets its depth from ground nutmeg and honey rather than refined spice blends, so you stay in full control of what goes into every layer. Tapioca starch pulls double duty — binding the crust and thickening the filling so the bars slice cleanly once cooled. Letting them cool completely is the one step worth the patience, because it's what turns bubbling fruit into a jammy, set filling that holds its shape. These are the kind of bars that disappear fast at a gathering, and nobody needs to know how straightforward they were to make.
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Learn more →Ingredients
9 servings
For the crust and crumble
- 1 cup rolled oats
- ¾ cup rice flour
- ¼ cup tapioca starch
- ¼ cup granulated sugar
- ¼ tsp fine sea salt
- ½ cup (1 stick) unsalted butter, cold and cut into ½-inch cubes
For the apple filling
- 3 medium apples (about 1 ½ lb), peeled, cored, and cut into ¼-inch slices
- 3 tbsp honey
- ¼ tsp ground nutmeg
- 1 tbsp tapioca starch
- 1 tbsp unsalted butter, melted
Instructions
- 1
Preheat the oven to 350°F (175°C). Line a 9×9-inch baking pan with parchment paper, leaving a 2-inch overhang on two opposite sides to use as handles for lifting the bars out later.
- 2
In a large mixing bowl, whisk together the rolled oats, rice flour, tapioca starch (the crust-and-crumble portion), granulated sugar, and fine sea salt until evenly combined. Add the cold butter cubes and work them in with a pastry cutter or your fingertips until the mixture resembles coarse, clumpy crumbs with some pea-sized pieces of butter remaining — do not overwork it into a smooth dough.
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