Fruit Crisp Frozen Fruit Oats

Featured in: Comfort Food Favorites

This easy-to-make fruit crisp combines a medley of frozen fruits with a buttery oat topping. The fruit is tossed with sugar, flour, lemon juice, and cinnamon, then baked until bubbling and golden. Ideal for using pantry and freezer staples, this comforting dish is perfect warm and pairs well with vanilla ice cream or yogurt. Variations include adding nuts for extra crunch or using dairy-free butter substitutes.

Updated on Wed, 19 Nov 2025 12:21:00 GMT
Golden-brown Fruit Crisp with frozen berries bubbling, ready for serving with a scoop of ice cream. Save It
Golden-brown Fruit Crisp with frozen berries bubbling, ready for serving with a scoop of ice cream. | zetluna.com

A comforting, budget-friendly dessert featuring sweet frozen fruit and a golden oat topping—perfect for using pantry and freezer staples.

I first made this fruit crisp on a chilly evening when I wanted dessert but only had frozen fruit on hand. The simple oat topping came together quickly, and everyone loved the sweet, bubbling result.

Ingredients

  • Mixed frozen fruit: 6 cups (such as berries, peaches, or apples)
  • Granulated sugar: 1/3 cup (adjust to taste depending on fruit)
  • All-purpose flour or cornstarch: 2 tbsp
  • Lemon juice: 1 tbsp
  • Ground cinnamon: 1/2 tsp (optional)
  • Old-fashioned rolled oats: 1 cup
  • All-purpose flour: 1/2 cup
  • Brown sugar, packed: 1/2 cup
  • Ground cinnamon: 1/2 tsp
  • Salt: 1/4 tsp
  • Unsalted butter, melted: 1/2 cup

Instructions

Preheat & Prep:
Preheat the oven to 350°F (175°C).
Fruit Filling:
In a large bowl, toss the frozen fruit with sugar, flour or cornstarch, lemon juice, and cinnamon. Spread evenly into a 9x13-inch (or similar) baking dish.
Crisp Topping:
In another bowl, mix the oats, flour, brown sugar, cinnamon, and salt. Pour in melted butter and stir until clumps form.
Assemble:
Sprinkle the oat mixture evenly over the fruit.
Bake:
Bake for 35–40 minutes, or until the topping is golden brown and the fruit is bubbling.
Serve:
Let cool slightly before serving. Enjoy warm, optionally with vanilla ice cream or yogurt.
Warm, bubbly Fruit Crisp with frozen peaches and a buttery oat topping fresh from the oven. Save It
Warm, bubbly Fruit Crisp with frozen peaches and a buttery oat topping fresh from the oven. | zetluna.com

This crisp is always a hit at our family weekend dinners. The warm, bubbling fruit and crunchy topping bring everyone to the table quickly.

Required Tools

Large mixing bowl, measuring cups and spoons, 9x13-inch baking dish, mixing spoon or spatula, oven.

Allergen Information

Contains wheat (flour) and milk (butter). For gluten-free, use certified gluten-free oats and flour. For dairy-free, choose plant-based butter. Always check labels for allergies.

Nutritional Information (per serving)

Calories: 290, Total Fat: 10 g, Carbohydrates: 48 g, Protein: 3 g

A close-up of a rustic Fruit Crisp featuring a mix of frozen fruit under a crunchy, oat-filled layer. Save It
A close-up of a rustic Fruit Crisp featuring a mix of frozen fruit under a crunchy, oat-filled layer. | zetluna.com

Serve this fruit crisp warm from the oven with vanilla ice cream or a dollop of yogurt. It's simple comfort for any night.

Common Questions About Recipes

What fruits work best in this crisp?

A mix of berries, peaches, and apples works wonderfully, but any frozen fruit can be used based on what you have available.

Can I make the topping crunchy?

Yes, adding chopped nuts like walnuts or pecans to the oat topping adds extra crunch and flavor.

Is there a dairy-free option for the topping?

You can substitute melted butter with coconut oil or a plant-based butter to keep it dairy-free without sacrificing texture.

How do I know when the crisp is done baking?

The topping should be golden brown and the fruit mixture bubbling around the edges, typically after 35 to 40 minutes.

Can I prepare this dessert ahead of time?

Yes, you can assemble it in advance and refrigerate before baking. Leftovers store well and can be enjoyed cold or gently reheated.

Fruit Crisp Frozen Fruit Oats

Sweet frozen fruit combined with a crunchy oat topping for a warm, satisfying treat.

Prep Time
10 mins
Time to Cook
35 mins
Overall Time
45 mins
Authored by Clara


Skill Level Required Easy

Cuisine Type American

Recipe Output 6 Number of Portions

Dietary Needs Veggie-Friendly

The Ingredients You'll Need

Fruit Filling

01 6 cups mixed frozen fruit (such as berries, peaches, or apples)
02 1/3 cup granulated sugar, adjust to taste
03 2 tablespoons all-purpose flour or cornstarch
04 1 tablespoon lemon juice
05 1/2 teaspoon ground cinnamon, optional

Crisp Topping

01 1 cup old-fashioned rolled oats
02 1/2 cup all-purpose flour
03 1/2 cup packed brown sugar
04 1/2 teaspoon ground cinnamon
05 1/4 teaspoon salt
06 1/2 cup unsalted butter, melted

Step-by-Step Instructions

Step 01

Preheat Oven: Preheat the oven to 350°F.

Step 02

Prepare Fruit Filling: In a large bowl, combine frozen fruit, sugar, flour or cornstarch, lemon juice, and cinnamon. Toss until evenly coated. Transfer to a 9x13-inch baking dish and spread evenly.

Step 03

Make Crisp Topping: In a separate bowl, mix oats, flour, brown sugar, cinnamon, and salt. Pour in melted butter and stir until clumps form.

Step 04

Assemble Crisp: Evenly sprinkle the oat mixture over the fruit filling.

Step 05

Bake: Bake for 35 to 40 minutes, or until the topping turns golden brown and the fruit filling bubbles.

Step 06

Cool and Serve: Allow to cool slightly before serving. Best enjoyed warm, optionally with vanilla ice cream or yogurt.

Tools You'll Need

  • Large mixing bowl
  • Measuring cups and spoons
  • 9x13-inch baking dish or similar
  • Mixing spoon or spatula
  • Oven

Allergy Information

Review each ingredient to identify allergens and consult an expert if needed.
  • Contains wheat and milk. For gluten-free, use certified gluten-free oats and flour blend. For dairy-free, replace butter with plant-based substitutes.

Nutritional Facts (Per Serving)

Keep in mind these details are for general guidance and shouldn't replace professional advice.
  • Caloric Content: 290
  • Fats: 10 grams
  • Carbohydrates: 48 grams
  • Proteins: 3 grams