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Easy Frozen Peach Crisp: A Simple Homemade Dessert with a Golden Crunch

There is something comforting about a warm fruit crisp fresh from the oven. The combination of soft, sweet fruit and a buttery golden topping creates a dessert that feels homemade, nostalgic, and perfect for any season. While many people think fruit crisps are only meant for summer when fresh peaches are available, frozen peaches make this dessert just as delicious and much easier to prepare year-round.

An Easy Frozen Peach Crisp is a wonderful choice when you want a quick dessert without complicated techniques. Frozen peaches already come prepared, saving time on peeling and slicing, while still delivering a juicy peach flavor. With a simple oat topping, a few pantry ingredients, and a short baking time, you can create a dessert that tastes like it came from a bakery.

Why Frozen Peaches Work Perfectly

Frozen peaches are often overlooked, but they are actually ideal for baked desserts. They are usually frozen when they are ripe, which helps preserve their natural sweetness and flavor. Unlike fresh peaches that may sometimes be underripe or out of season, frozen peaches provide consistent results.

Using frozen fruit also makes this recipe convenient because you can prepare it anytime. Whether it is a cozy winter evening, a family gathering, or a last-minute dessert request, frozen peaches allow you to enjoy the taste of summer whenever you like.

Ingredients You Will Need

For the peach filling:

6 cups frozen peaches, slightly thawed
1/3 cup granulated sugar (adjust depending on sweetness of peaches)
2 tablespoons cornstarch
1 tablespoon lemon juice
1 teaspoon vanilla extract
1/2 teaspoon ground cinnamon

For the crisp topping:

1 cup old-fashioned rolled oats
3/4 cup all-purpose flour
1/2 cup brown sugar
1/2 teaspoon cinnamon
1/4 teaspoon salt
1/2 cup cold butter, cut into small pieces

Step-by-Step Method

Step 1: Prepare the Oven and Baking Dish

Begin by preheating your oven to 375°F (190°C). Lightly grease a baking dish, such as an 8×8-inch or 9×9-inch dish, with butter or cooking spray.

Preparing the dish first ensures the crisp will bake evenly and makes serving easier once it is finished.

Step 2: Prepare the Peach Filling

Place the frozen peaches in a large mixing bowl. If they are completely frozen, allow them to sit at room temperature for about 15–20 minutes until they soften slightly.

Add the sugar, cornstarch, lemon juice, vanilla extract, and cinnamon. Mix gently until the peaches are evenly coated.

The cornstarch helps thicken the natural juices released from the peaches during baking, creating a rich sauce instead of a watery filling.

Transfer the peach mixture into the prepared baking dish and spread it into an even layer.

Step 3: Make the Crisp Topping

In a separate bowl, combine the rolled oats, flour, brown sugar, cinnamon, and salt.

Add the cold butter pieces and use your fingers, a pastry cutter, or a fork to mix everything together until the mixture becomes crumbly. The topping should have small pieces of butter throughout because these melt during baking and create the signature crispy texture.

The oats provide a hearty crunch, while the brown sugar adds a deep caramel-like sweetness.