Apple Crisp Frozen Apples Oats

Featured in: Warm Baked Recipes

This comforting dish features juicy apples combined with warm cinnamon and a hint of sugar, all baked beneath a crunchy oat topping. Using frozen apples simplifies prep without sacrificing flavor. The crisp oat mixture, enhanced with brown sugar and melted butter, forms a golden crust that balances the soft fruit beneath. Serve warm, optionally with vanilla ice cream or whipped cream, to enjoy a nostalgic and simple treat.

Updated on Tue, 18 Nov 2025 08:32:00 GMT
Warm apple crisp bubbling, baked with a golden oat topping, perfect for dessert. Pin It
Warm apple crisp bubbling, baked with a golden oat topping, perfect for dessert. | juniperbite.com

A comforting, classic dessert featuring tender, juicy apples topped with a golden, crunchy oat crumble. Perfect for a quick and easy treat using store-bought frozen apples.

I remember baking this crisp last fall when I had a bag of frozen apple slices from a bumper crop. The aroma filled the house and everyone eagerly waited by the oven for a warm, nostalgic treat.

Ingredients

  • Frozen sliced apples: 900 g (2 lbs), thawed and drained
  • Granulated sugar: 2 tbsp
  • Ground cinnamon: 1 tsp
  • All-purpose flour: 1 tbsp
  • Lemon juice: 1 tsp (optional, for brightness)
  • Old-fashioned rolled oats: 120 g (1 1/2 cups)
  • Brown sugar: 100 g (1/2 cup), packed
  • All-purpose flour: 75 g (1/2 cup)
  • Salt: 1/2 tsp
  • Ground cinnamon: 1/2 tsp
  • Unsalted butter: 115 g (1/2 cup), melted

Instructions

Preheat oven:
Set oven to 180°C (350°F). Grease a 23 cm (9-inch) square or round baking dish.
Mix fruit base:
In a large bowl, combine thawed apples, granulated sugar, cinnamon, flour, and lemon juice. Toss until apples are coated.
Assemble base:
Spread apple mixture evenly in the prepared dish.
Make oat crumble:
In a separate bowl, mix oats, brown sugar, flour, salt, and cinnamon. Add melted butter and stir until coarse crumbs form.
Add topping:
Sprinkle oat crumble evenly over apples.
Bake:
Bake for 35 to 40 minutes, until topping is golden brown and apples are bubbling.
Cool and serve:
Let cool for at least 10 minutes before serving. Enjoy warm, optionally with vanilla ice cream or whipped cream.
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Whenever my kids have friends over, this apple crisp disappears in minutes. It's our reliable, fuss-free way to end a family meal with smiles all around.

Required Tools

Mixing bowls, measuring cups and spoons, a 23 cm (9-inch) baking dish, spoon or spatula, oven.

Allergen Information

Contains wheat and milk. Oats may contain gluten unless certified gluten-free. May contain traces of tree nuts if added. Always check packaged ingredient labels.

Nutritional Information

Per serving: Calories 290, Total fat 10 g, Carbohydrates 49 g, Protein 3 g.

Deliciously baked Apple Crisp with a crispy oat topping, served warm and inviting. Pin It
Deliciously baked Apple Crisp with a crispy oat topping, served warm and inviting. | juniperbite.com
Deliciously baked Apple Crisp with a crispy oat topping, served warm and inviting. Pin It
Deliciously baked Apple Crisp with a crispy oat topping, served warm and inviting. | juniperbite.com

This crisp is a comforting way to enjoy apples any time of year. Let the aroma and warmth invite everyone to the table.

Questions About This Recipe

Can I use fresh apples instead of frozen?

Yes, fresh apples work well but may require slightly less baking time as they contain less moisture than frozen ones.

How can I make the topping extra crunchy?

Adding chopped nuts like pecans or walnuts to the oat crumble enhances texture and provides extra crunch.

Is there a gluten-free option for the oat topping?

Use certified gluten-free oats and a gluten-free flour blend to keep the topping suitable for gluten-sensitive diets.

What is the best way to store leftovers?

Cover and refrigerate leftovers for up to 3 days. Reheat gently in the oven to restore the crumble’s crispness.

Can I prepare this ahead of time?

Yes, assemble the fruit and topping separately and combine just before baking to retain optimum texture.

Apple Crisp Frozen Apples Oats

Tender apples baked under a golden oat crumble, perfect for a cozy and easy enjoyed dessert.

Prep Time
10 minutes
Cook Time
40 minutes
Total Duration
50 minutes
Juniper Bite Chloe Fischer

Dish Type Warm Baked Recipes

Skill Level Easy

Cuisine American

Serves 6 Number of Servings

Dietary Info Vegetarian-Friendly

What You’ll Need

Fruit Base

01 2 lbs frozen sliced apples, thawed and drained
02 2 tbsp granulated sugar
03 1 tsp ground cinnamon
04 1 tbsp all-purpose flour
05 1 tsp lemon juice (optional)

Oat Crumble Topping

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

Directions

Step 01

Preheat oven and prepare dish: Preheat oven to 350°F. Grease a 9-inch square or round baking dish.

Step 02

Prepare fruit base: Combine thawed apples, granulated sugar, cinnamon, flour, and lemon juice in a large bowl. Toss until evenly coated.

Step 03

Arrange fruit in dish: Spread the apple mixture evenly in the prepared baking dish.

Step 04

Mix oat crumble topping: In a separate bowl, combine oats, brown sugar, flour, salt, and cinnamon. Stir in melted butter until coarse crumbs form.

Step 05

Assemble crisp: Sprinkle the oat crumble uniformly over the apple base.

Step 06

Bake: Bake for 35 to 40 minutes until topping is golden and apples are bubbling.

Step 07

Cool and serve: Allow to cool at least 10 minutes before serving warm, optionally with vanilla ice cream or whipped cream.

Kitchen Gear Needed

  • Mixing bowls
  • Measuring cups and spoons
  • 9-inch baking dish
  • Spoon or spatula
  • Oven

Allergen Details

Always check what goes in for allergens, and talk to your doctor if you’re unsure.
  • Contains wheat (flour), milk (butter), and oats (may contain gluten unless certified gluten-free).
  • May contain traces of tree nuts if added.

Nutrition Information (each serving)

This info’s just a guide, not medical advice.
  • Calories: 290
  • Fats: 10 g
  • Carbohydrates: 49 g
  • Proteins: 3 g