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Mixed Berry Crisp: Vegan and Dairy-Free Recipe

This healthy berry crisp is a lightened-up summer dessert with no refined sugar. It’s bursting with juicy berries and topped with a crunchy oat crumble. Serve warm with ice cream or coconut whipped cream. Dairy-free and vegan options are included.

This healthy berry crisp just came out of the oven and it’s one of those simple desserts that feels special yet is easy enough for weeknights. Warm, sweet berries bubbling beneath a golden, crunchy oat topping—perfect for summer gatherings, brunch, or a cozy night in. Best of all, this recipe is refined sugar-free and can easily be made dairy-free or vegan.

If you want a dessert that tastes indulgent but uses wholesome ingredients, this mixed berry crumble is a winner. Serve it with a scoop of vanilla ice cream, coconut whipped cream, or Greek yogurt for a lovely contrast of hot-and-cold and creamy-and-crunchy.

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How to make Healthy Mixed Berry Crumble

overhead shot of mixed berries being tossed with sugar and cornstarch to make filling for berry crisp

Prep: Preheat oven to 400°F (200°C).

  1. Prepare the filling: Place 8 cups of mixed berries (frozen or fresh) in a large baking dish (9″x13″ or similar). Sprinkle 2 tablespoons cornstarch (or arrowroot) and 2 tablespoons coconut sugar (or brown sugar) over the fruit. Drizzle with 1.5 tablespoons lemon juice and 2 tablespoons honey (or maple syrup for vegan). Gently toss with a spoon until evenly coated and spread into a level layer.
  2. Make the crumble topping: In a medium bowl combine 2 cups old fashioned rolled oats, 1/2 cup all-purpose flour (or whole wheat/gluten-free), 1/4 cup coconut sugar (+ 2 tbsp if you like it sweeter), 1 teaspoon cinnamon and 1/2 teaspoon nutmeg.
  3. Pour 1/4 cup (about 100 g + 3 tablespoons listed equivalent) melted unsalted butter over the oat mixture and mix until the crumbs clump together and everything is evenly moistened. For a dairy-free option use refined coconut oil instead of butter.
  4. Sprinkle the oat topping evenly over the berry filling.
  5. Bake for about 30 minutes, or until the topping is golden brown and the berries are bubbling along the edges and in the center. Remove from the oven and let the crisp rest for 10–15 minutes so the filling thickens. Serve warm with vanilla ice cream, coconut whipped cream, or Greek yogurt.

picture collage demonstrating how to make oatmeal crumble topping for berry crisp recipe

Recipe Variations

Make it dairy-free

  • Replace the butter with the same amount of refined coconut oil to avoid a coconut flavor.
  • Serve with dairy-free ice cream or coconut whipped cream.

Make it vegan

  • Use maple syrup instead of honey in the filling.
  • Use refined coconut oil in place of butter in the topping.
  • Top with vegan ice cream or coconut whipped cream.

picture collage demonstrating how to make a healthy berry crisp

Which oats are best for making a crisp?

Old fashioned rolled oats are the best choice for a crisp because they give the topping a satisfying texture and stay pleasantly chewy. Quick oats can be used in a pinch but yield a softer, less textured crumble. Steel-cut oats are not recommended because they stay too gritty when raw and too chewy if pre-cooked.

overhead shot of a serving of healthy berry crisp served with a scoop of vanilla ice cream

Tips for the best healthy berry crisp

  • Use raw honey or pure maple syrup rather than pancake syrup or artificial sugar-free syrups. These are natural sweeteners that work well with berries.
  • Both fresh and frozen berries work great—frozen fruit makes this dessert accessible year-round.
  • If your berries are especially tart (for example gooseberries), add an extra tablespoon or two of sweetener to the filling to balance the acidity.
  • Cornstarch (or arrowroot) thickens the berry juices as the crisp cools. Let the dessert rest for at least 10–15 minutes before serving so the filling sets rather than running.
  • Serve warm with vanilla ice cream, frozen Greek yogurt, or coconut whipped cream for a delicious contrast of temperatures and textures.

Ingredients

Filling

  • 8 cups mixed berries (frozen or fresh)
  • 2 tablespoons cornstarch or arrowroot
  • 1.5 tablespoons lemon juice
  • 2 tablespoons honey (or maple syrup for vegan)
  • 2 tablespoons coconut sugar (or brown sugar)

Topping

  • 2 cups old fashioned rolled oats
  • 1/2 cup all-purpose flour (or whole wheat / gluten-free)
  • 1/4 cup coconut sugar (+ 2 tbsp optional)
  • 1 teaspoon ground cinnamon
  • 1/2 teaspoon ground nutmeg
  • 1/4 cup unsalted butter, melted (or refined coconut oil for dairy-free)

To serve (optional)

  • Vanilla ice cream
  • Greek yogurt or coconut whipped cream

Instructions

  1. Preheat the oven to 400°F (200°C).
  2. Combine the berries, cornstarch, coconut sugar, lemon juice, and honey in a large baking dish. Toss until the fruit is evenly coated.
  3. In a medium bowl mix the oats, flour, coconut sugar, cinnamon, and nutmeg. Pour the melted butter (or coconut oil) over the dry mixture and stir until combined.
  4. Spread the oat topping over the berries and bake for about 30 minutes, until the topping is golden and the filling is bubbly. Let cool 10–15 minutes before serving to allow the filling to set.

Recipe Notes

  • Substitute maple syrup for honey to make this recipe vegan.
  • Refined coconut oil is a good butter substitute if you want to avoid a coconut flavor.
  • Adjust the sugar in the filling depending on how tart your berries are.
  • The crisp can be reheated in individual portions after cooling completely, which helps the filling finish thickening.