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A plum crumble in a white baking dish with two vintage silver spoons.

Brown Butter Plum Crisp

  • Author: Laura Bolton - Fork Knife Swoon
  • Prep Time: 20
  • Cook Time: 45
  • Total Time: 1 hour 5 minutes
  • Yield: 8 Servings 1x
  • Category: Dessert, Baking
  • Method: Bakin
  • Cuisine: American
  • Diet: Vegetarian


A sweet plum crisp with a brown butter oat crumble topping. A perfect dessert for late-Summer and early-Fall. Easy to make, with simple ingredients, and always delicious. Gluten-free and vegan friendly.




  1. Preheat the oven to 350℉. Lightly grease a 9×9-inch baking dish with butter or baking spray. Set aside.
  2. Brown the butter: Melt the butter in a light-colored medium skillet over medium heat. Once the butter begins to foam, begin whisking often. The foam will dissipate after a minute or two. Begin whisking continuously until golden flecks start to form in the bottom of the pan, about 1-2 minutes.
  3. Remove the skillet from the heat and continue whisking for another minute or so until the butter is a rich amber color with a fragrant, nutty aroma. (Carefully) pour the brown butter into another heat proof bowl (I typically use a glass measuring cup) to stop the cooking process. Set aside.
  4. Make the filling: In a medium mixing bowl, gently toss the plums with 1/2 cup brown sugar. Stir in the vanilla and arrowroot, until evenly coated. Set aside.
  5. Make the crisp topping: In another medium bowl, whisk together the flour, oats, salt, cinnamon, and remaining brown sugar. Drizzle with the brown butter, and stir until the mixture is crumbly and completely moistened.
  6. Add the plums (and juices) to the baking dish in an even layer, and top with the crumbs.
  7. Bake for 45-55 minutes, until the plums are soft and fragrant, the top is golden brown with juices bubbling up around the edges. Cover as needed with aluminum foil to prevent over-browning.
  8. Remove from the oven and let cool for at least 15 minutes for a juicier crisp, or up to 45 minutes for a more set up fill-in. Both options are delicious! Serve warm with scoops of vanilla ice cream. Enjoy!!


  • If you’d like some more crunch in your crisp topping, feel free to add in a handful of chopped nuts – walnuts, pecans, almonds, etc. (1/4 to 1/2 cup)
  • If your plums are very sweet, the filling can benefit from a squeeze of fresh lemon juice.

Keywords: plum crisp, brown butter, plum crumble, fruit dessert, easy,