Mixed Berry Oat and Almond Crisp Recipe

Mixed Berry Oat Almond Crisp by Baking The Goods
Mixed Berry Oat Almond Crisp by Baking The Goods

Crisps, crumbles and cobblers are often grouped together, but each has its own character. This Mixed Berry Oat Almond Crisp spells out what makes it special: a lush bed of fresh berries baked beneath a golden, oat-and-almond topping. The contrast of juicy fruit and crunchy topping is what makes this dessert irresistible.

Simple to assemble yet rich in flavor and texture, crisps are classic comfort desserts. They adapt easily to the seasons — apples and pears in autumn, berries and stone fruits in summer — and frozen fruit works well when fresh isn’t available. For a spring twist try a strawberry-pistachio combination or finish a berry crisp with whipped cream flavored with a splash of liqueur for a more elegant presentation.

The topping for a crisp can vary widely. You can use different flours (all-purpose, whole wheat, rye or oat flour for gluten-free), swap in vegan butter for a dairy-free version, or add texture with oats, nuts, coconut flakes, puffed grains or even cereal. Sliced almonds in this recipe give a pleasant snap that pairs beautifully with thick rolled oats and brown sugar.

Differences between crumbles, crisps and cobblers

  • All three are fruit-based bakes that celebrate seasonal produce and depend on a few good ingredients.
  • They are rustic and straightforward to prepare, with comforting results.
  • Crumbles are topped with a crumbly mixture typically made of 2 parts flour, 1 part sugar and 1 part butter, with salt or spice for balance.
  • Crisps are similar to crumbles but include oats (and often nuts) in the topping, which crisp up in the oven.
  • Modern usage blurs the lines between crumbles and crisps, and the terms are sometimes used interchangeably.
  • Cobblers differ more clearly: they have a biscuit-like topping — either dropped or shaped — that rises and browns over the filling, giving the appearance of cobblestones.

About this Mixed Berry Oat Almond Crisp

This recipe highlights a mix of raspberries, blackberries (or marionberries) and blueberries. Each berry behaves differently while baking: raspberries tend to break down into jammy swirls, blueberries plump and burst, and blackberries contribute a meaty texture. Together they form a balanced, slightly tart-sweet filling brightened with lemon zest and juice.

The oat-and-almond topping is the star in texture. Thick rolled oats and sliced almonds are sweetened with brown sugar and warmed with cinnamon. Cold cubes of butter are worked into the dry ingredients until coarse crumbs form, then chilled briefly so the topping crisps rather than melts into the fruit. The result is a deeply golden, crunchy streusel that contrasts perfectly with the bubbling berry filling.

One of the strengths of this crisp is its flexibility. Swap nuts, use gluten-free flour or vegan butter, or change the fruit to suit what’s available. The method is forgiving, and this version is a reliable place to start if you want a dependable summer dessert.

  • Mixed Berry Oat Almond Crisp topping ingredients
    Just a handful of simple ingredients make up this crumble top.
  • European butter chunks for crisp topping
    Good butter makes a big difference in a crisp topping. I use European style butter with a high fat content for superior flavor and texture.
  • Crisp topping ingredients
    The cold butter chunks get squished in with the dry ingredients to make the crumbly crisp topping.
Almond Oat Crumble topping
The crumble top has all kinds of texture happening, especially with the crunch of the sliced almonds.
  • Mixed berry filling with lemon
    The fresh mixed berries get brightened up with a bit of lemon zest and juice.
  • Sugaring the mixed berry filling
    Then the berries get a little shower of sugar to sweeten the filling just a bit.
  • Mixed berry filling
    Toss the sugar, mixed berries and lemon together, then let it sit for a bit.
  • Mixed berry filling in skillet
    Add the mixed berry filling to a buttered up cast iron skillet.
  • Mixed berry filling in skillet
    These mixed berries are a thing of beauty.
Topping Mixed Berry filling with Oat Almond Crisp topping
Top the mixed berry filling with the chilled oat almond crisp topping just before baking.
Pre-baked Mixed Berry Oat Almond Crisp
Always place the skillet on a lined baking sheet before baking to catch any overflow.
  • Mixed Berry Oat Almond Crisp fresh from the oven
    When it comes out of the oven it smells like a cinnamon-spiced, jammy dream.
  • Crisp oat almond topping baked
    The oats and almonds brown and crisp as it bakes, giving the dessert its name.
Scooping Mixed Berry Oat Almond Crisp
From the first scoop, this crisp is a thing of beauty.
  • Can I get a scoop of Mixed Berry Oat Almond Crisp?
    Can I get a scoop?
  • Mixed Berry Oat Almond Crisp fault line
    So much texture along the fault line.
  • Scooping up Mixed Berry Oat Almond Crisp
    Shallow bowls filled to the brim are a great way to serve it.
  • Mixed Berry Oat Almond Crisp close up
    Jammy berries and crunchy topping are best served warm from the skillet.
Mixed Berry Oat Almond Crisp served with vanilla ice cream
Serve warm with vanilla ice cream or whipped cream for extra delight.
  • Mixed Berry Oat Almond Crisp with a scoop of vanilla ice cream
    Seriously.
  • Mixed Berry Oat Almond Crisp with vanilla ice cream
    So.
  • Mixed Berry Oat Almond Crisp with a scoop of vanilla ice cream
    Good.
An ode to summer berries, Mixed Berry Oat Almond Crisp
An ode to late summer berries, Mixed Berry Oat Almond Crisp.

Recipe

Mixed Berry Oat Almond Crisp by Baking The Goods

Mixed Berry Oat Almond Crisp


  • Author: Becky Sue of Baking The Goods
  • Total Time: 1 hour 5 minutes
  • Yield: 8 servings

Description

Juicy, jammy berries bubble under a crumbly oat-and-almond streusel for an easy, single-dish summer dessert.


Ingredients

Oat Almond Crisp Topping

  • ¾ cup all purpose flour
  • ¾ cup thick rolled oats
  • ½ cup brown sugar
  • ½ teaspoon fine sea salt
  • ½–1 teaspoon cinnamon or another warming spice
  • ½ cup butter + 1 tablespoon for the skillet (cold and cut into ¼” cubes)
  • ½ cup sliced almonds

Mixed Berry Filling

  • 2 cups marionberries or blackberries
  • 2 cups raspberries
  • 2 cups blueberries
  • ¼–½ cup granulated sugar, to taste
  • 1 medium lemon, zest and juice
  • ¼ teaspoon fine sea salt
  • 1–2 tablespoons tapioca flour, cornstarch or all-purpose flour (depending on how juicy the berries are)

Instructions

Oat Almond Crisp Topping

  1. Position a rack in the center of the oven and preheat to 350°F. Butter a 9–10 inch skillet or pie dish (or an 11×7-inch baking dish) with 1 tablespoon softened or melted butter and set aside.
  2. In a bowl combine the flour, oats, brown sugar, salt and cinnamon. Use your fingers to work the cold butter into the dry ingredients until you have a rough, crumbly mixture. Stir in the sliced almonds.
  3. Chill the topping in the refrigerator or freezer while you prepare the filling.

Mixed Berry Filling

  1. In a large bowl toss the berries with lemon zest, lemon juice, sugar and salt. Let sit about 10 minutes so the juices begin to release.
  2. Stir in 1–2 tablespoons of tapioca flour, cornstarch or all-purpose flour to thicken the juices; let the mixture rest a few minutes to thicken slightly.
  3. Pour the berry mixture into the buttered skillet or baking dish. Crumble the chilled topping evenly over the berries. Place the skillet on a lined baking sheet to catch any overflow.

Bake & Serve

  1. Bake 40–45 minutes, until the berries bubble and the topping is deep golden and crisp.
  2. Allow to cool at least 30 minutes before serving so the filling sets.
  3. Serve warm with vanilla ice cream or whipped cream.

Notes

  • The topping can be made ahead and kept in the refrigerator up to 3 days or frozen for a month.
  • Frozen fruit works, but it may release more juice and require a bit more thickener.
  • Leftovers keep covered in the fridge for 4–5 days and can be reheated in a 300°F oven for about 20 minutes.
  • Prep Time: 20 minutes
  • Cook Time: 45 minutes
  • Category: Dessert
Mixed Berry Oat Almond Crisp by Baking The Goods