Toss frozen raw pastry squares in the glass casserole dish with 3 common pantry items to get a treat so incredible your family will be begging for more!

This 4-ingredient oven sweet pastry is one of those toss-it-all-in-the-dish desserts that busy families like ours rely on. Frozen raw pastry squares get coated in a glossy, crimson pantry glaze and baked into a bubbly, pull-apart treat that tastes like a shortcut bakery danish. It’s perfect for weeknights, potlucks, or those evenings when everyone wants “something sweet” but you don’t feel like fussing with dough or special equipment.

Serve these warm, glossy sweet pastries straight from the glass casserole dish, scooped into bowls or onto small dessert plates. They’re wonderful on their own, but extra cozy with a scoop of vanilla ice cream, a dollop of whipped cream, or a spoonful of plain yogurt for a not-too-sweet option. Pair with hot coffee, tea, or cold milk for the kids. For brunch, set the dish in the middle of the table and let everyone pull off pieces family-style alongside scrambled eggs or a simple fruit salad.

Servings: 6-8

16 oz (about 12–16 pieces) frozen raw puff pastry squares

Preheat your oven to 375°F (190°C). Lightly grease a 9x13-inch glass casserole dish with a bit of neutral oil or cooking spray if you like, just to be sure the glaze doesn’t stick too much.

Place the frozen raw pastry squares directly into the glass casserole dish. There’s no need to thaw them; just separate any that are stuck together and spread them out in a mostly single layer. A little overlap is fine.

In a medium mixing bowl, whisk together the granulated sugar, cranberry juice cocktail, and ground cinnamon until the sugar is mostly dissolved and the mixture looks like a glossy, thick crimson syrup. It will still be a bit runny at this stage but will thicken as it bakes.

Pour the crimson syrup evenly over the frozen pastry squares in the casserole dish. Use a spatula or spoon to gently toss and turn the pastry pieces so every side is coated in the glaze. Try to keep the pastry pieces spaced out so they have room to puff, but don’t worry if the dish looks very saucy—that’s what makes it so good.

Let the glazed pastry sit in the dish for about 5 minutes while the oven finishes heating. This gives the frozen pastry a head start on soaking up that sweet crimson mixture.

Place the glass casserole dish on the middle rack of the preheated oven. Bake for 25–30 minutes, or until the pastry squares are puffed, golden at the edges, and the crimson glaze around them is bubbling and slightly thickened. If the tops are browning too quickly before the centers look done, loosely tent the dish with a piece of foil for the last 5–10 minutes.

Carefully remove the casserole dish from the oven and place it on a heat-safe surface. The glaze will be very hot and bubbly. Let the pastry rest for at least 10–15 minutes so the sauce can thicken into a glossy coating and cool down enough to eat safely.

Serve warm, scooping out a few pastry squares and some of the thick crimson glaze for each person. Store any leftovers covered in the fridge for up to 2 days, and rewarm gently in the oven at 325°F (165°C) until heated through.

For picky eaters, you can dial back the cinnamon to 1/2 teaspoon or leave it out entirely for a simpler sweet flavor. If your family prefers a slightly less tart glaze, stir in 1–2 tablespoons of brown sugar or a splash of vanilla extract with the cranberry juice mixture. For a richer dessert, drizzle 2–3 tablespoons of melted butter over the glazed pastry squares before baking. You can also swap the cranberry juice cocktail for another red, sweetened juice blend (like cherry or pomegranate cocktail) as long as it’s not too thin and tart on its own. If your pastry squares are very large, cut them into smaller pieces with a sharp knife while still frozen so they’re easier to scoop and share. Food safety tips: Always keep the frozen pastry squares cold until you’re ready to bake; don’t let them sit out at room temperature for long periods, especially on warm days, or they may become sticky and lose their puff. Use a glass casserole dish that is labeled oven-safe, and avoid placing a cold glass dish directly into a very hot oven—let it sit on the counter for a few minutes while you preheat to reduce the risk of thermal shock. After baking, remember that the bubbling crimson glaze is extremely hot and can cause burns, so let the dish cool for at least 10–15 minutes before serving and keep little hands away from the pan while it’s fresh from the oven.