1-First step: Get your pan and ingredients ready

Start by gathering all ingredients and setting out a 9 by 13 inch dish. This dessert comes together faster when everything is ready before you begin. Make sure the cream cheese is soft, the whipped topping is thawed, and the milk is cold. That mix of temperatures helps the filling come together smoothly.

If your cream cheese is still firm, let it sit out for 1 to 2 hours until it feels soft when pressed. This small step matters a lot, because cold cream cheese can leave lumps in the filling. You will also want to have the blueberry pie filling open and ready, since layering moves quickly once the base is mixed.

2-Second step: Mix the lemon cream filling

In a large bowl, beat the room-temperature cream cheese until smooth. A hand mixer works well here, and you only need 1 to 2 minutes. Once the cream cheese is creamy, add the instant lemon pudding mix, milk, and lemon juice. Mix slowly at first so the dry pudding powder does not fly out of the bowl.

Keep beating until the mixture thickens and looks silky. Scrape the bowl with a spatula so everything mixes evenly. Then fold in the whipped topping in two or three batches. Folding helps keep the filling fluffy, which is what gives this no-bake lemon blueberry cream cake its soft texture.

3-Third step: Build the first layer of graham crackers

Place a single layer of graham crackers in the bottom of your dish. Break pieces as needed so the whole base is covered. You want a solid layer with as few gaps as possible. This is what helps the dessert slice neatly later.

Try to keep the crackers even, but do not worry if a few pieces need trimming. Once the cake chills, the crackers soften and blend into the cream layers. That softened texture is part of what makes an icebox cake so easy to love.

4-Fourth step: Add the lemon cream layer

Spoon about one-third of the lemon cream filling over the graham crackers. Spread it gently with a spatula so the layer stays even. Work from the center toward the edges. This helps keep the crackers in place and gives your dessert a cleaner look.

Take your time here. A smooth cream layer helps the blueberry filling sit nicely on top. If you rush this part, the layers may mix together too much. The goal is a neat stack that looks pretty when sliced.

5-Fifth step: Add the blueberry pie filling

Spread one can of blueberry pie filling over the cream layer. Use a spoon and gentle strokes so the lemon filling does not mix into the berries too much. Then add another layer of graham crackers on top. Repeat the cream and blueberry layers until you have used both cans of pie filling and all of the cream mixture.

Usually, this means finishing with a cream layer on top, but you can follow the pattern that works best for your dish. The most important thing is to keep the layers even so every slice has a good balance of lemon and blueberry.

6-Sixth step: Finish the top and chill

Once the final cream layer is spread, cover the dish tightly with plastic wrap or a fitted lid. Chill the dessert in the refrigerator for at least 4 hours. Overnight is even better because the graham crackers soften more and the flavors blend together.

If you are making this for a party, make it the day before. That gives you less stress on serving day and better slice shape. The long chill time is what turns simple layers into a true no-bake cake.

7-Final step: Add the garnish and serve

Right before serving, top the cake with 1 cup fresh blueberries and lemon slices from the halved lemon. This adds color, freshness, and a nice finished look. Use a sharp knife to cut clean squares or slices. Wipe the knife between cuts if you want neat edges.

Serve the cake cold. The filling should be firm, creamy, and easy to scoop. If you want to make the dessert feel extra special, place a few extra berries around the platter for a pretty finish.