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Fruit Crisp Frozen Oats

Featured in: Cozy Baking Ideas

This comforting dish blends sweet frozen fruit with a crunchy oat topping baked to golden perfection. Quick to prepare and easy to customize, it uses pantry and freezer staples for a delicious warm treat. Ideal for cozy gatherings, the crisp balances juicy fruit and hearty oats, offering satisfying texture and flavor. Variations include adding nuts or opting for dairy-free butter alternatives. Serve warm, optionally with creamy vanilla or yogurt.

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Updated on Wed, 19 Nov 2025 15:40:00 GMT
Warm fruit crisp with bubbling fruit and oat topping, a satisfying American dessert. Save
Warm fruit crisp with bubbling fruit and oat topping, a satisfying American dessert. | birchplate.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 crisp on a chilly weekend when I wanted something sweet but didn&t want to run to the store. Frozen fruit and oats saved the day, creating a cozy treat that everyone kept asking for again.

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 oven:
Preheat the oven to 350°F (175°C)
Prepare 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
Make crisp topping:
In another bowl, mix the oats, flour, brown sugar, cinnamon, and salt. Pour in melted butter and stir until clumps form
Top fruit:
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
Cool and serve:
Let cool slightly before serving. Enjoy warm, optionally with vanilla ice cream or yogurt
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| birchplate.com

This crisp became a quick favorite for our family gatherings. There&s nothing better than a warm dessert fresh from the oven that everyone can dig into together.

Required Tools

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

Allergen Information

Contains wheat and milk. For gluten-free, use certified gluten-free oats and a flour blend. For dairy-free, a plant-based butter works perfectly. Always double-check ingredient labels for allergies.

Nutritional Information (per serving)

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

Homemade fruit crisp served warm, with a golden, crisp topping and juicy, baked fruit. Save
Homemade fruit crisp served warm, with a golden, crisp topping and juicy, baked fruit. | birchplate.com

Enjoy this fruit crisp warm from the oven, with a scoop of vanilla ice cream or tangy yogurt for a perfect finish.

Recipe Questions & Answers

→ Can I use fresh fruit instead of frozen?

Yes, fresh fruit can be used but may require adjustments in cooking time and sugar to balance moisture.

→ How do I make the oat topping extra crunchy?

Adding chopped nuts like walnuts or pecans enhances crunch and adds rich flavor to the topping.

→ What alternatives work best for butter in the topping?

Plant-based butters or melted coconut oil are excellent substitutes for a dairy-free version with similar texture.

→ Can this be prepared ahead of time?

Yes, it can be assembled in advance and stored in the fridge until ready to bake for convenience.

→ How should leftovers be stored and served?

Store leftovers covered in the fridge and enjoy cold or gently reheated for best flavor and texture.

Fruit Crisp Frozen Oats

Sweet frozen fruit baked with a crisp golden oat topping for a cozy, simple dessert.

Prep Duration
10 minutes
Time to Cook
35 minutes
Overall Time
45 minutes
Created by Elena Hart


Skill Level Easy

Cuisine Type American

Servings produced 6 Serving Size

Diet Details Vegetarian-Friendly

What You'll Need

Fruit Filling

01 6 cups mixed frozen fruit (berries, peaches, apples)
02 1/3 cup granulated sugar
03 2 tablespoons all-purpose flour or cornstarch
04 1 tablespoon fresh 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 Guide

Step 01

Preheat Oven: Preheat the oven to 350°F (175°C).

Step 02

Prepare Fruit Mixture: In a large bowl, combine frozen fruit, granulated sugar, flour or cornstarch, lemon juice, and cinnamon; toss gently until evenly coated. Transfer to a 9x13-inch baking dish, spreading evenly.

Step 03

Make Crisp Topping: In a separate bowl, mix rolled oats, all-purpose flour, brown sugar, cinnamon, and salt. Pour melted butter over the mixture and stir until clumps form.

Step 04

Assemble: Evenly sprinkle the oat topping over the fruit layer in the baking dish.

Step 05

Bake: Bake for 35 to 40 minutes until the topping is golden and the fruit filling is bubbling.

Step 06

Cool and Serve: Allow to cool slightly before serving. Serve warm, optionally accompanied by vanilla ice cream or yogurt.

Tools Needed

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

Allergy Details

Review all components to spot allergies and check with a doctor if you're unsure.
  • Contains wheat and milk. For gluten-free option, use certified gluten-free oats and flour blend. For dairy-free, replace butter with a plant-based alternative.

Nutrition Breakdown (each serving)

Nutritional info is for reference. Please consult your doctor for specifics.
  • Energy (Calories): 290
  • Fats: 10 g
  • Carbohydrates: 48 g
  • Proteins: 3 g