Fruit Crisp Frozen Fruit Oats

A comforting budget-friendly dessert featuring sweet frozen fruit and a golden oat topping is perfect for using pantry and freezer staples.

I first made this fruit crisp on a chilly weekend when I craved something easy but homemade. Mixing together the frozen fruit with a simple oat topping brought back memories of baking with my family during winter nights.

Ingredients

• Frozen mixed fruit: 6 cups (such as berries, peaches, or apples)
• Granulated sugar: 1/3 cup, adjust to taste depending on fruit
• All-purpose flour or cornstarch: 2 tbsp
• Lemon juice: 1 tbsp
• Ground cinnamon (optional): 1/2 tsp
• Old-fashioned rolled oats: 1 cup
• All-purpose flour: 1/2 cup
• Brown sugar, packed: 1/2 cup
• Ground cinnamon: 1/2 tsp
• Salt: 1/4 tsp
• Unsalted butter, melted: 1/2 cup

Instructions

Prepare oven:

Preheat the oven to 350°F (175°C).

Mix fruit filling:

In a large bowl, toss the frozen fruit with sugar, flour or cornstarch, lemon juice, and cinnamon. Spread evenly into a 9x13-inch (or similar) baking dish.

Make crisp topping:

In another bowl, mix oats, flour, brown sugar, cinnamon, and salt. Pour in melted butter and stir until clumps form.

Assemble:

Sprinkle the oat mixture evenly over the fruit.

Bake:

Bake for 35–40 minutes until topping is golden brown and fruit is bubbling.

Cool and serve:

Let cool slightly before serving. Enjoy warm, optionally with vanilla ice cream or yogurt.

Save

Making this fruit crisp is a family tradition every fall, and my kids love helping with the oat topping before sneaking bites of the warm dessert straight from the pan.

Required Tools

Large mixing bowl, measuring cups and spoons, baking dish (9x13-inch or similar), mixing spoon or spatula, oven.

Allergen Information

Contains wheat (flour) and milk (butter). For gluten-free, use certified gluten-free oats and a gluten-free flour blend. For dairy-free, use a plant-based butter substitute. Always check ingredient labels if you have allergies.

Nutritional Information

Per serving: Calories 290, Total Fat 10 g, Carbohydrates 48 g, Protein 3 g.

Save

Enjoy this easy fruit crisp warm from the oven, optionally topped with vanilla ice cream for a sweet finish. It's sure to become a household favorite.

Recipe FAQs

→ Can I use fresh fruit instead of frozen?

Yes, fresh fruit works well but may require adjusted cooking time to release juices and soften properly.

→ How can I make the topping crunchier?

Add chopped nuts like walnuts or pecans to the oat mixture before baking for extra texture and crunch.

→ Is it possible to make this dairy-free?

Absolutely, substitute the butter with melted coconut oil or a plant-based butter alternative without changing the flavor significantly.

→ What flour types can I use for thickening the fruit filling?

All-purpose flour or cornstarch both work well to thicken the fruit juices and keep the filling firm.

→ Can this dish be reheated or served cold?

Yes, leftovers can be enjoyed cold or gently reheated for a cozy treat any time.