Apple Crisp Frozen Apples Oats

Featured in: Rustic Bakes & Breads

This comforting dish brings together juicy, thawed frozen apples coated with cinnamon and sugar, baked beneath a golden, crunchy oat crumble. The topping blends brown sugar, oats, and melted butter for a crisp finish. Simple prep and short baking time make it perfect for a cozy, sweet indulgence. Optional add-ins like nuts and gluten-free substitutions allow customization. Serve warm, alone or with a chilled cream side to balance textures.

Updated on Tue, 18 Nov 2025 10:37:00 GMT
Golden brown Apple Crisp with a bubbly, cinnamon-infused apple filling ready to serve. Save
Golden brown Apple Crisp with a bubbly, cinnamon-infused apple filling ready to serve. | basilhearth.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.

Growing up, apple crisp was always a staple in our home. Using frozen apples makes it even easier to enjoy this nostalgic dessert any time, especially on busy weeknights when comfort is most welcome.

Ingredients

  • Fruit Base: 900 g (2 lbs) frozen sliced apples, thawed and drained
  • Fruit Base: 2 tbsp granulated sugar
  • Fruit Base: 1 tsp ground cinnamon
  • Fruit Base: 1 tbsp all-purpose flour
  • Fruit Base: 1 tsp lemon juice (optional, for brightness)
  • Oat Crumble Topping: 120 g (1 1/2 cups) old-fashioned rolled oats
  • Oat Crumble Topping: 100 g (1/2 cup) brown sugar, packed
  • Oat Crumble Topping: 75 g (1/2 cup) all-purpose flour
  • Oat Crumble Topping: 1/2 tsp salt
  • Oat Crumble Topping: 1/2 tsp ground cinnamon
  • Oat Crumble Topping: 115 g (1/2 cup) unsalted butter, melted

Instructions

Prepare Baking Dish:
Preheat your oven to 180°C (350°F). Grease a 23 cm (9-inch) square or round baking dish.
Mix Apple Base:
In a large bowl, combine thawed apples, granulated sugar, cinnamon, flour, and lemon juice. Toss until apples are evenly coated.
Layer Fruit:
Spread the apple mixture evenly in the prepared baking dish.
Prepare 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.
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| basilhearth.com

Every fall, my family gathers around the table with warm apple crisp, sharing stories and laughter after dinner. It's a tradition that brings us together and makes simple moments special.

Required Tools

You'll need mixing bowls, measuring cups and spoons, a 23 cm (9-inch) baking dish, spoon or spatula, and an oven to prepare this recipe.

Allergen Information

This recipe contains wheat (flour), milk (butter), and oats (may contain gluten unless certified gluten-free). If you add nuts, check for possible traces of tree nuts and always verify ingredient labels.

Nutritional Information

Each serving delivers approximately 290 calories, 10 g total fat, 49 g carbohydrates, and 3 g protein, making it a satisfying treat for dessert lovers.

Warm Apple Crisp with a crispy oat topping, perfect with a scoop of vanilla ice cream. Save
Warm Apple Crisp with a crispy oat topping, perfect with a scoop of vanilla ice cream. | basilhearth.com

This easy apple crisp is best enjoyed warm and fresh. Keep leftovers covered and refrigerate for up to three days.

Recipe FAQs

Can frozen apples be used directly without thawing?

It's best to thaw and drain frozen apples before use to avoid excess moisture that can make the topping soggy.

How can the oat topping be made gluten-free?

Use certified gluten-free oats and substitute all-purpose flour with a gluten-free blend for safe gluten-free baking.

What adds extra texture to the oat topping?

Chopped nuts such as pecans or walnuts mixed into the oat crumble enhance crunch and flavor.

How long should the dish cool before serving?

Allow at least 10 minutes of cooling to let the filling set and make serving easier.

What spices complement the fruit base?

Cinnamon is classic, and adding a splash of lemon juice brightens the fruit flavors.

Can sugar types be varied?

Yes, swap granulated sugar with coconut or brown sugar in the fruit base for deeper, richer sweetness.

Apple Crisp Frozen Apples Oats

Tender frozen apples under a crunchy oat topping create a cozy, satisfying autumn treat.

Prep Time
10 minutes
Time to Cook
40 minutes
Total Duration
50 minutes
Recipe by Laura Bennett

Recipe Type Rustic Bakes & Breads

Skill Level Easy

Cuisine Type American

Makes 6 Portions

Dietary Details Meat-Free

What You'll Need

Fruit Base

01 2 pounds 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

How To Make It

Step 01

Prepare oven and baking 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 optional lemon juice until evenly coated.

Step 03

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

Step 04

Prepare 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

Add topping and bake: Evenly sprinkle the oat crumble over the apples. Bake for 35–40 minutes until topping is golden and apples are bubbling.

Step 06

Cool before serving: Let rest for at least 10 minutes before serving warm, optionally accompanied by vanilla ice cream or whipped cream.

Tools Needed

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

Allergy Warnings

Review every ingredient for allergens and reach out to a medical expert if you're uncertain.
  • Contains wheat (flour), milk (butter), and oats (may contain gluten unless certified gluten-free).
  • May contain traces of tree nuts if added.

Nutrition information (serving size)

These nutritional details are for reference. They're not meant as medical guidance.
  • Caloric Value: 290
  • Fat content: 10 grams
  • Carbohydrates: 49 grams
  • Protein Amount: 3 grams