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Cozy Brown Butter Rhubarb Crumble Recipe with Easy Oat Streusel Topping

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A comforting dessert featuring tart rhubarb with a rich, nutty brown butter oat streusel topping. Quick and easy to make, perfect for cozy evenings or casual gatherings.

Ingredients

Scale
  • 4 cups (600g) rhubarb stalks, chopped into 1-inch pieces (fresh or frozen)
  • 1/2 cup (100g) granulated sugar
  • 2 tablespoons (16g) all-purpose flour
  • 1 tablespoon fresh lemon juice
  • 1 teaspoon vanilla extract
  • 6 tablespoons (85g) unsalted butter, browned
  • 1 cup (90g) old-fashioned rolled oats
  • 1/2 cup (60g) all-purpose flour
  • 1/3 cup (70g) light brown sugar
  • 1/2 teaspoon ground cinnamon
  • 1/4 teaspoon salt

Instructions

  1. Brown the Butter (about 5 minutes): Melt butter in a medium skillet over medium heat. Stir frequently as it foams and then begins to turn golden brown, releasing a nutty aroma. Watch carefully—once browned, immediately remove from heat to prevent burning. Transfer to a bowl and let cool slightly.
  2. Prepare the Rhubarb Filling (10 minutes): In a mixing bowl, combine chopped rhubarb, granulated sugar, flour, lemon juice, and vanilla extract. Toss gently to coat evenly.
  3. Make the Oat Streusel (10 minutes): In another bowl, mix oats, flour, brown sugar, cinnamon, and salt. Pour in the slightly cooled brown butter and stir until the mixture forms coarse crumbs.
  4. Assemble the Crumble (5 minutes): Pour the rhubarb filling into your baking dish, spreading it evenly. Evenly sprinkle the oat streusel over the top, covering all the fruit.
  5. Bake (35-40 minutes): Place the dish in a preheated oven at 350°F (175°C). Bake until the streusel topping is golden brown and the rhubarb filling is bubbling around the edges.
  6. Cool and Serve (15 minutes resting): Let the crumble cool slightly before serving to allow the filling to set. Serve warm, optionally with vanilla ice cream or whipped cream.

Notes

Use a light-colored pan to brown butter to avoid burning. If streusel browns too fast before filling bubbles, cover loosely with foil. For gluten-free, substitute all-purpose flour and oats with gluten-free versions. For vegan, replace butter with browned coconut oil and use vegan sugar alternatives.

Nutrition

Keywords: brown butter, rhubarb crumble, oat streusel, dessert, easy recipe, seasonal dessert, comfort food

Find it online: https://atomicbite.com/cozy-brown-butter-rhubarb-crumble-recipe-with-easy-oat-streusel-topping/