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

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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.

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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

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