Is sour cream necessary?

In my experience, sour cream is the best choice for this cake. If you use only heavy cream, the cake feels really heavy and too rich. The whipped cream also doesn't absorb into the graham crackers as well, so it will take longer for the graham crackers to soften. The sour cream lightens up the texture and flavor of the frosting. I also think that the mild tang from the sour cream pairs so nicely with the whipped cream and the graham crackers. Another option is to use Greek yogurt, but make sure it's nice and thick, otherwise the frosting will be too runny.

More cake layers, less frosting.

The recipe that I'm sharing is really tender and has thick and fluffy layers of frosting in between the "cake" layers. If you want to make this cake have a more honey cake layer ratio and less frosting, just add one more layer of graham crackers (you will need an additional sleeve of graham crackers) and use a bit less frosting in between the crackers. There will be enough frosting for the whole cake (use 3 cups of heavy cream) and the graham crackers will still become really tender and soft.

How long to refrigerate graham cracker cake?

The initial chilling time, at least 6 hours, is important because the graham crackers need time to soften and absorb the frosting. If you serve it sooner, you will still have parts of the cake that are crunchy. Usually, I make the cake the night before I am planning to serve it. The cake can be made up to 2 days in advance, but it will still be good for about 4 days. It is best served 1-2 days after preparing it.

Graham Cracker Cake (No-Bake, 5 Ingredients)

Name: Graham Cracker Cake (No Bake, 5 Ingredients)
Prep time: 15 min
Total time: 15 min
Yield: 12
Ingredients: 14 oz box honey graham crackers; 2 1/2 - 3 cups heavy cream, chilled (2 1/2 cups if making 3 graham cracker cake layers, 3 cups if making 4 layers); 1 cup powdered sugar, divided (or to taste); 2 lbs sour cream; 2 teaspoons vanilla extract, divided; shaved/grated chocolate, on top of the cake

Graham Cracker Cake (No Bake, 5 Ingredients)

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5 from 3 reviews

This no-bake graham cracker cake is made with just 5 ingredients and is an amazing copycat of an intricate honey layer cake. The fluffy sour cream frosting makes the cake really tender and the sweet graham crackers pair so nicely with the tangy frosting.

Author: Olga's Flavor Factory
Prep Time: 15 minutes
Total Time: 15 minutes
Yield: 12 1x

Ingredients

Scale

14 oz box honey graham crackers

2 1/2 - 3 cups heavy cream, chilled (2 1/2 cups if making 3 graham cracker cake layers, 3 cups if making 4 layers)

1 cup powdered sugar, divided (or to taste)

2 lbs sour cream

2 teaspoons vanilla extract, divided

shaved/grated chocolate, on top of the cake

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Instructions

In a large bowl, whip the chilled heavy cream with 1/2 cup powdered sugar and 1 teaspoon vanilla extract until stiff peaks form. Set aside.
In another bowl, mix the sour cream with the remaining 1/2 cup powdered sugar and 1 teaspoon vanilla extract. Gently fold the whipped cream into the sour cream mixture until combined. Add more sugar if you have a sweeter taste preference.
Spread about 1 1/2 cups of the frosting to cover the bottom of a 9 X 13 inch pan. Top with a layer of graham crackers, breaking the crackers as necessary, so the crackers fit like a puzzle in a single even layer. Top with more frosting, about 2 cups (it doesn't have to be exact), spreading the frosting to cover the graham crackers.
You should have these layers in the end: 1 1/2 cups frosting, graham crackers, 2 cups frosting, graham crackers, 2 cups frosting, graham crackers, remaining frosting.
Grate a chocolate bar on top of the last layer of frosting.
Chill the cake in the refrigerator for at least 6 hours, or overnight before serving. You can make the cake up to 2 days in advance.

Notes

You don't really have to measure the amount of frosting in between each layer of graham crackers. None of it has to be exact. I'm just giving you an idea.

You can also make 4 layers of graham crackers and use a bit less frosting in between each cake layer. It really depends on your preference and if you like cakes that have more frosting, or more cake layers. If you make 4 graham cracker layers, you will need an additional sleeve of graham crackers.

Find it online: https://www.olgasflavorfactory.com/recipes/sweets/desserts/graham-cracker-cake-no-bake-5-ingredients/