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Apple Crisp Frozen Apples Oats

Featured in: Sweet Treats

Combining thawed frozen apples with warm cinnamon and a hint of lemon juice, this classic apple crisp features a golden oat crumble made from rolled oats, brown sugar, and melted butter. Baked until bubbling and crunchy, this dessert offers a cozy texture and sweet-tart balance, ideal for a simple, satisfying treat. Optional nuts add extra crunch and can be adjusted for dietary needs, making it a versatile choice for any occasion.

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Updated on Tue, 18 Nov 2025 08:01:00 GMT
Golden-brown apple crisp with bubbly fruit, topped with a delicious, crunchy oat crumble. Pin
Golden-brown apple crisp with bubbly fruit, topped with a delicious, crunchy oat crumble. | garlicgroove.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 first discovered this apple crisp recipe when I was searching for a way to use up frozen apples in my freezer. I was amazed by how easy and delicious the result was, and now it is my go-to dessert when I want something warm and nostalgic.

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 (for topping): 75 g (1/2 cup)
  • Salt: 1/2 tsp
  • Ground cinnamon (for topping): 1/2 tsp
  • Unsalted butter: 115 g (1/2 cup), melted

Instructions

Prepare the oven:
Preheat your oven to 180°C (350°F). Grease a 23 cm (9-inch) square or round baking dish.
Make the fruit base:
In a large bowl, combine thawed apples, granulated sugar, cinnamon, flour, and lemon juice. Toss until apples are evenly coated.
Arrange apples:
Spread the apple mixture evenly in the prepared baking dish.
Mix oat crumble:
In a separate bowl, mix oats, brown sugar, flour, salt, and cinnamon. Pour in the melted butter and stir until the mixture forms coarse crumbs.
Add topping:
Sprinkle the oat crumble evenly over the apples.
Bake:
Bake for 35-40 minutes, or until the topping is golden brown and the apples are bubbling.
Serve:
Allow to cool for at least 10 minutes before serving. Serve warm, optionally with vanilla ice cream or whipped cream.
Warm apple crisp emerges from the oven, showcasing soft apples and a sweet oat topping. Pin
Warm apple crisp emerges from the oven, showcasing soft apples and a sweet oat topping. | garlicgroove.com
Warm apple crisp emerges from the oven, showcasing soft apples and a sweet oat topping. Pin
Warm apple crisp emerges from the oven, showcasing soft apples and a sweet oat topping. | garlicgroove.com

My family loves gathering around the kitchen table when the aroma of cinnamon and baked apples fills our home. This crisp has become our favorite way to celebrate cozy evenings together.

Required Tools

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

Allergen Information

Contains: Wheat (flour), milk (butter), oats (may contain gluten unless certified gluten-free). May contain traces of tree nuts if added. Always check labels on packaged ingredients for possible allergens.

Nutritional Information

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

A close-up image of fresh, baked apple crisp, ready to eat with a scoop of vanilla ice cream. Pin
A close-up image of fresh, baked apple crisp, ready to eat with a scoop of vanilla ice cream. | garlicgroove.com
A close-up image of fresh, baked apple crisp, ready to eat with a scoop of vanilla ice cream. Pin
A close-up image of fresh, baked apple crisp, ready to eat with a scoop of vanilla ice cream. | garlicgroove.com

This apple crisp is the perfect way to enjoy apples all year. Serve warm for maximum comfort.

Apple Crisp Frozen Apples Oats

Baked apples topped with a golden oat crumble for a quick, comforting treat that's easy to prepare.

Prep duration
10 min
Cook duration
40 min
Complete duration
50 min


Complexity Easy

Heritage American

Output 6 Portions

Dietary requirements Vegetarian

Components

Fruit Base

01 2 lbs frozen sliced apples, thawed and drained
02 2 tablespoons granulated sugar
03 1 teaspoon ground cinnamon
04 1 tablespoon all-purpose flour
05 1 teaspoon 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 teaspoon salt
05 1/2 teaspoon ground cinnamon
06 1/2 cup unsalted butter, melted

Directions

Step 01

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

Step 02

Prepare fruit base: In a large bowl, combine thawed apples, granulated sugar, cinnamon, flour, and lemon juice. Toss until evenly mixed.

Step 03

Assemble fruit layer: Evenly spread the apple mixture in the prepared baking dish.

Step 04

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

Step 05

Top with crumble: Evenly sprinkle the oat crumble over the apples.

Step 06

Bake: Bake for 35 to 40 minutes until the topping turns golden brown and the apples are bubbling.

Step 07

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

Necessary tools

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

Allergy details

Review each ingredient for potential allergens and speak with a healthcare provider if you're uncertain about anything.
  • Contains wheat (flour), milk (butter), oats (may contain gluten unless certified gluten-free).
  • May contain traces of tree nuts if added.

Nutrition breakdown (per portion)

These values are provided as estimates only and shouldn't replace professional medical guidance.
  • Energy: 290
  • Fat: 10 g
  • Carbohydrates: 49 g
  • Protein: 3 g