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single serving of easy crumble recipe in a white ceramic bowl with golden oat topping and melting vanilla ice cream
Debra

Easy Crumble Recipe

This easy crumble recipe delivers a perfectly golden, crispy oat topping over a bubbling, tender fruit filling — every single time. Made with just a handful of pantry staples and ready in under an hour, it works beautifully with any fruit: apple, peach, mixed berry, rhubarb, or pear. Whether you serve it warm with vanilla ice cream, a pour of custard, or a dollop of whipped cream, this is the kind of dessert that earns recipe requests every time you make it.
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Prep Time 15 minutes
Cook Time 40 minutes
Resting Time 10 minutes
Total Time 55 minutes
Servings: 8 servings
Course: Baking, Dessert
Cuisine: American, British
Calories: 318
Ingredients Equipment Method Notes

Ingredients
  

Fruit Filling (Apple Version)
  • 6 large apples mix of Granny Smith and Honeycrisp, peeled, cored, and sliced into 1/2-inch pieces
  • 3 tablespoons brown sugar adjust to taste based on sweetness of fruit
  • 1 tablespoon cornstarch thickens the fruit juices into a sauce
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon ground nutmeg
  • 1 tablespoon fresh lemon juice brightens the filling and prevents browning
Crumble Topping
  • 1 1/2 cups all-purpose flour do not substitute self-raising flour
  • 1 cup rolled oats old-fashioned rolled oats only — not instant oats
  • 3/4 cup packed brown sugar light or dark brown sugar both work
  • 1/2 teaspoon ground cinnamon
  • 1/4 teaspoon salt
  • 1/2 cup (115g) cold unsalted butter cut into small cubes — must be cold, straight from the fridge

Equipment

  • 9x13-inch Baking Dish
  • Large mixing bowl
  • Small Mixing Bowl
  • Sharp Chef's Knife
  • Cutting board
  • Vegetable Peeler
  • Pastry Cutter or Fingertips
  • Measuring cups and spoons
  • Oven

Method
 

  1. Preheat the oven. Set your oven to 350°F (180°C). Lightly butter a 9x13-inch baking dish and set aside.
  2. Prepare the fruit filling. Peel, core, and slice the apples into even ½-inch pieces. Add them to a large bowl with brown sugar, cornstarch, cinnamon, nutmeg, and lemon juice. Toss until every piece is evenly coated. Spread the filling into the prepared baking dish in a single even layer.
  3. Make the crumble topping. In a large mixing bowl, combine the flour, rolled oats, brown sugar, cinnamon, and salt. Stir briefly to mix. Add the cold butter cubes. Using your fingertips, rub the butter into the dry ingredients by pressing and smearing it between your fingers until the mixture forms coarse, clumpy crumbs with visible pea-sized chunks of butter. Do not overmix — uneven chunks are exactly what you want.
  4. Assemble the crumble. Scatter the crumble topping evenly over the fruit filling. Spread it to cover the fruit completely but do not press it down. A loosely scattered topping allows hot air to circulate and creates the crispy clusters you're after.
  5. Bake. Place the dish in the preheated oven and bake for 35 to 40 minutes, until the topping is deep golden brown and the fruit filling is visibly bubbling around the edges of the dish. If the topping browns too quickly before the filling bubbles, loosely cover with foil and continue baking.
  6. Rest before serving. Remove the crumble from the oven and let it rest for 10 minutes before serving. This allows the filling to settle and thicken slightly so it doesn't run when scooped. Serve warm with vanilla ice cream, pourable custard, or whipped cream.

Notes

  • Cold butter is essential: Always use butter straight from the fridge. Warm or room-temperature butter produces a dense, greasy topping instead of crispy clusters. If the butter softens while you work, refrigerate the bowl for 10 minutes before continuing.
  • Do not press the topping down: Scatter it loosely over the fruit. Pressing it flat traps steam and results in a soft, dense topping instead of a crispy one.
  • Don't skip the cornstarch: It thickens the fruit juices into a sauce and prevents the bottom of the topping from going soggy. Essential for juicy fruits like peaches, berries, and rhubarb.
  • Taste your fruit first: Adjust sugar in the filling based on the natural sweetness of the fruit. Very ripe peaches need less sugar; tart Granny Smith apples need more.
  • Fruit variations: This recipe works with any fruit. For peaches or mixed berries, reduce filling sugar to 2 tablespoons and use the same topping. For rhubarb, increase filling sugar to 1/2 cup and consider mixing with strawberries to balance tartness.
  • Add nuts for extra crunch: Stir 2 tablespoons of chopped pecans or walnuts into the topping before baking for an added texture layer.
  • Make it vegan: Substitute cold coconut oil or vegan butter for the dairy butter in equal amounts. The topping will still bake golden and crisp.
  • Make ahead: Assemble the full crumble without baking, cover tightly, and refrigerate for up to 24 hours. Bake straight from the fridge, adding 5 to 10 extra minutes to the baking time.
  • Freezer friendly: Freeze unbaked for up to 3 months and bake from frozen at 350°F for 55 to 65 minutes. Or freeze fully baked, thaw overnight in the fridge, and reheat at 325°F for 15 to 20 minutes.