Apple Crisp Frozen Apples Oats

Featured in: Sweet Simple Treats

This warm dish features juicy frozen apples combined with cinnamon and a hint of lemon, baked beneath a golden, crunchy oat topping. The oat crumble blends brown sugar, flour, cinnamon, and melted butter, creating a pleasing contrast of textures. Ready in under an hour, it makes a comforting dessert ideal for chilly evenings or quick gatherings. Optional additions like chopped nuts add extra texture and flavor complexity.

Updated on Tue, 18 Nov 2025 08:48:00 GMT
Warm, bubbling apple crisp with a golden, crunchy oat topping made with frozen apples. Pin Recipe
Warm, bubbling apple crisp with a golden, crunchy oat topping made with frozen apples. | fordishes.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 made this apple crisp on a cool autumn evening when I wanted a homemade treat but had only frozen apples in the freezer. The result was a warm, bubbling dessert that my family devoured in minutes, and it's now a staple for busy weeknights.

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

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

This apple crisp is always requested when everyone gathers for holiday meals or Sunday dinners. It's a nostalgic dessert my kids love helping with, from mixing the apples to sprinkling the crumble.

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

Deliciously baked apple crisp, showcasing a rustic oat crumble over tender, juicy apple slices. Pin Recipe
Deliciously baked apple crisp, showcasing a rustic oat crumble over tender, juicy apple slices. | fordishes.com
Deliciously baked apple crisp, showcasing a rustic oat crumble over tender, juicy apple slices. Pin Recipe
Deliciously baked apple crisp, showcasing a rustic oat crumble over tender, juicy apple slices. | fordishes.com

This apple crisp stays fresh for up to 2 days in the refrigerator. Enjoy leftovers cold or gently reheated for a quick snack.

Recipe FAQs

Can I use fresh apples instead of frozen?

Yes, fresh apples can be substituted. Adjust baking time as fresh apples may release more juice, affecting texture.

How do I make the oat topping extra crunchy?

Use cold butter and avoid over-mixing the crumble mixture before baking for a crispier texture.

What types of apples work best?

Tart varieties like Granny Smith or Honeycrisp hold their shape well and add balanced flavor to the dish.

Can I include nuts in the topping?

Absolutely, chopped pecans or walnuts complement the oat crumble with added crunch and nutty flavor.

Is it possible to make a gluten-free version?

Yes, use certified gluten-free oats and substitute regular flour with a gluten-free blend.

Apple Crisp Frozen Apples Oats

Tender frozen apples baked with a crunchy oat crumble topping for a simple, delicious treat.

Prep Duration
10 mins
Cooking Duration
40 mins
Complete Time
50 mins
Recipe by Fordishes Ava Reynolds


Skill Level Easy

Cuisine American

Makes 6 Number of Servings

Diet Details Vegetarian Option

Ingredient List

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

Combine fruit base ingredients: In a large bowl, mix thawed apples with granulated sugar, cinnamon, flour, and lemon juice until apples are evenly coated.

Step 03

Transfer fruit mixture: Spread the apple mixture evenly into the prepared baking dish.

Step 04

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

Step 05

Assemble topping: Evenly sprinkle the oat crumble over the apples in the baking dish.

Step 06

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

Step 07

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

Needed Equipment

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

Allergy Info

Double-check ingredients for allergens and speak with a healthcare provider if you're unsure.
  • Contains wheat (flour), milk (butter), oats (may contain gluten unless certified gluten-free)
  • May contain traces of tree nuts if added

Nutrition Information (per serving)

For informational use only—doesn't replace personalized medical direction.
  • Calories: 290
  • Fats: 10 g
  • Carbohydrates: 49 g
  • Proteins: 3 g