Name: Creamy Lemon Blueberry Icebox Dessert For Backyard BBQs
Prep time: 20 min
Total time: 4 h 20 min
Yield: 12 servings
Cuisine: American
Ingredients: 2 cups graham cracker crumbs (about 14 full crackers); 1/4 cup granulated sugar; 6 tbsp unsalted butter (melted); 8 oz cream cheese (softened to room temperature); 1 14 oz can sweetened condensed milk; 1/2 cup fresh lemon juice (about 3 large lemons); 1 tbsp lemon zest; 2 cups heavy whipping cream (cold); 2 cups fresh blueberries (divided); 2 tbsp granulated sugar; 1 tbsp lemon juice; 1 tsp cornstarch; 1 tbsp cold water

Jump to Recipe

My neighbor brought something like this to a block party years ago and I never forgot it, so I finally worked out my own version for the summers we actually live outside.

This comes together in about 20 minutes of real hands-on work, then the freezer does the rest. Pull it out 10 minutes before you serve it and every layer stays clean.

Creamy Lemon Blueberry Icebox Dessert For Backyard BBQs

A no-bake, layered icebox dessert with tangy lemon cream and fresh blueberries that stays cold and holds its shape right through the last scoop.

4.5 (152 reviews)

Vegetarian

Prep20 min

Freeze time4 hr

Total4 hr 20 min

Serves12 servings

Ingredients

Crust

2 cups graham cracker crumbs , about 14 full crackers
1/4 cup granulated sugar
6 tbsp unsalted butter , melted

Lemon Cream Layer

8 oz cream cheese , softened to room temperature
1 14 oz can sweetened condensed milk
1/2 cup fresh lemon juice , about 3 large lemons
1 tbsp lemon zest
2 cups heavy whipping cream , cold

Blueberry Layer

2 cups fresh blueberries , divided
2 tbsp granulated sugar
1 tbsp lemon juice
1 tsp cornstarch
1 tbsp cold water

Instructions

Make the Crust

Stir together the graham cracker crumbs, sugar, and melted butter in a medium bowl until the mixture looks like wet sand and holds together when you press a pinch between your fingers.

Press the crumb mixture firmly and evenly into the bottom of a 9x13 inch baking dish. Use the flat bottom of a measuring cup to pack it tight. Set in the freezer for 15 minutes while you work on the filling.

Make the Quick Blueberry Sauce

Combine 1 cup of the blueberries, the sugar, and lemon juice in a small saucepan over medium heat. Stir every 30 seconds. After about 4 minutes the berries will start to burst and the mixture will smell sweet and jammy.

Whisk the cornstarch and cold water together in a small cup, then pour it into the bubbling blueberries. Stir constantly for 1 minute until the sauce thickens and coats the back of a spoon. Remove from heat and let it cool completely, about 20 minutes, before using.

Make the Lemon Cream Filling

Beat the softened cream cheese with a hand mixer on medium speed for 2 minutes until it is completely smooth and no lumps remain. Scrape down the bowl.

Pour in the sweetened condensed milk, lemon juice, and lemon zest. Beat on medium for another 1 minute. The mixture will smell bright and tart and look silky.

In a separate cold bowl, whip the heavy cream on high speed for about 3 minutes until stiff peaks form. You will hear the mixer labor and the cream will go from sloshing to holding its shape.

Fold the whipped cream into the lemon cream cheese mixture in three additions. Use a wide spatula and turn the bowl, not the spatula. Stop folding the moment no white streaks remain.

Assemble and Freeze

Pull the crust from the freezer. Spread the lemon cream filling evenly over the crust, reaching all four corners.

Spoon the cooled blueberry sauce over the cream layer in an even coat. Scatter the remaining 1 cup of fresh blueberries across the top.

Cover tightly with plastic wrap and freeze for at least 4 hours, or overnight. When you lift the plastic wrap after 4 hours the top will feel firm and the dessert will hold a clean edge when cut.

Remove from the freezer 10 minutes before serving. Cut into 12 squares with a sharp knife rinsed under hot water between each slice.

Tips & Notes

The cream cheese must be fully softened or the filling will have tiny lumps that never smooth out. Set it on the counter 45 minutes before you start.
If your blueberry sauce is even slightly warm when you add it, it will melt into the cream layer. Give it the full 20 minutes to cool.
For the cleanest slices at a BBQ, cut all the squares before you take it outside, then re-cover and carry it out on the dish.
Bottled lemon juice works but the flavor is noticeably flatter. Fresh lemons take 3 minutes to juice and the difference shows.

Storage: Cover tightly and store in the freezer for up to 5 days. Do not refrigerate, it will become too soft to slice cleanly.

Nutrition per serving · estimated

385 Cal

24g Fat

39g Carbs

5g Protein

1g Fiber

28g Sugar

185mg Sodium

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Why This Holds Up at an Outdoor Party

Most whipped cream desserts start weeping the minute they hit a warm table. The cream cheese base here acts as a stabilizer, keeping the texture firm and sliceable even after 15 minutes outside.

The 4-hour freeze time is not optional. Less than that and the center stays too soft to cut into clean squares. Overnight is better if you are planning ahead.

Swapping Blueberries for What You Have

This works with raspberries or blackberries in exactly the same way. Use the same quantities and the same cook time for the sauce.

Frozen blueberries also work for the sauce layer, though the color runs a little deeper purple. Save the fresh ones for the top where the look matters.

Creamy Lemon Blueberry Icebox Dessert For Backyard BBQs