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My eclair cake tastes like a chocolate eclair crossed with an old-fashioned icebox cake. The pudding is cool and creamy, the layers underneath are soft and cake-like, and the dark chocolate frosting is really rich, but not too rich. It’s going to work, and it’s going to feed a big group.

Slice of eclair cake with layered graham crackers, vanilla pudding, and chocolate topping, served with a fork on a plate.
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This eclair cake has been on my site since 2015, and the recipe came from a friend who gave it to me years and years ago. It’s the classic graham cracker version, an old-school dessert that isn’t complicated or trendy, and it uses simple grocery store ingredients.

I use French vanilla pudding instead of plain vanilla because it makes the filling a little richer, and I top the whole pan with dark chocolate frosting because it cuts the sweetness a bit. Everything else about it stays classic, with no add-ins and nothing fancy.

If you love those soft, cake-like layers, I keep all of my no bake cakes and icebox cakes together in one place.

photo of Jen

TESTED AND PERFECTED

The Party Dessert I Get Done the Night Before

This eclair cake is one of the desserts I make when I need something to serve but don’t want to spend the day baking. It needs that overnight chill anyway, so I make it the night before, and on the day of the party I pull it out of the fridge and it’s ready.

That helps a lot when I have a bunch of other dishes to make, and it’s why people love it for Thanksgiving. It’s one less thing to worry about while everything else is cooking.

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I Need You to Know This First

When an eclair cake comes out runny, it’s because the pudding layer never set up, and that comes down to how you make the filling.

I use cold whole milk for the pudding, and 2% works too if that’s what you have in the fridge. Skim, low-fat and dairy-free milk won’t let the pudding set, so you end up with a runny cake that falls apart when you try to slice it. When it’s time to add the Cool Whip, I fold it in by hand with a rubber spatula instead of using the mixer, because the mixer thins the filling out.

After that, give it the full 10 hours or overnight in the fridge. That time is what sets the pudding, so cutting it short leaves you spooning it out of the pan instead of slicing it.

What Happens to the Graham Crackers Overnight

People are surprised when they find out there are graham crackers in this eclair cake, because nothing about it is crunchy. While it sits in the fridge overnight, the crackers soak up moisture from the pudding and soften until they’re pretty cake-like, and that’s kind of the magic of this recipe. It’s like you made an actual layered cake, even though there’s no baking involved.

That’s also how eclair cake gets its name. The soft graham crackers stand in for the pastry, the French vanilla pudding is the cream filling, and the chocolate frosting on top is the glaze.

What Goes Into It and Why

ingredients for eclair cake
  • Graham crackers: Cinnamon or plain both work, and one standard 14.4-ounce box covers all three layers. Save the broken pieces from the box to fill in the gaps along the edges of the pan.
  • French vanilla instant pudding: Make sure you grab instant pudding and not cook-and-serve, because instant sets up cold with the milk and cook-and-serve needs the stove.
  • Cool Whip: I take it out to thaw about four hours before I start, because Cool Whip that’s still frozen won’t fold smoothly into the pudding.
  • Dark chocolate frosting: Regular chocolate frosting works fine here too. I warm it in a microwave-safe bowl, and I only use the tub if the label says it’s microwave safe.
A slice of eclair cake lifted on a server, with the full cake visible in the background.

How to Make Eclair Cake

Use a pan that’s about 3 inches deep so all three layers fit. I make mine in a 9×11 because I like the layers a little thicker, and a 9×13 works too. The layers come out a little thinner, but it doesn’t make a big difference.

Step 1: Make the Pudding Filling Mix the pudding mix and cold milk with a mixer until it’s combined. Fold in the thawed Cool Whip by hand with a rubber spatula until there are no white streaks left.Bowl of smooth, creamy vanilla pudding mixture for eclair cake.

Step 2: Layer the Graham Crackers and Pudding Cover the bottom of a sprayed pan with graham crackers and spread half of the pudding over them. Repeat with a second layer of graham crackers and the rest of the pudding.Graham crackers being layered over a pudding filling in a glass baking dish for eclair cake.

Step 3: Add the Top Layer and Frosting Finish with a third layer of graham crackers. Warm the frosting for 20 to 30 seconds so it spreads easily, then spread it over the top all the way to the edges.pouring the chocolate on top of graham crackers layer.

Step 4: Chill It Overnight Cover the pan and refrigerate it for at least 10 hours or overnight before you cut it.

eclair cake with chocolate ganache layer on top.

Slicing and Serving It

For clean slices, I put the pan in the freezer for about 30 minutes before I cut it. I serve it cold, and sometimes I put strawberries, bananas or blueberries out on the side.

It travels well to a potluck or a family dinner, but get it into the fridge as soon as you arrive. The USDA says perishable food shouldn’t sit out for more than two hours, so wait to set it out until it’s time for dessert.

Close-up of eclair cake in a glass dish, showing the chocolate topping and creamy layered filling.

Storing the Leftovers

Keep leftovers covered in the fridge for 3 to 4 days. I don’t recommend freezing this one, because the pudding layers turn watery once they thaw.

Close-up of a single slice of eclair cake with visible cream and graham cracker layers.

More Layered Cakes to Make

I’ve kept this one classic, but I have a few other eclair cakes made with the same layering method. My banana eclair cake adds fresh fruit to the layers, and my strawberry eclair cake layers fresh berries under a strawberry frosting.

For fall, my caramel apple eclair cake has a cinnamon apple filling and caramel on top. My lemon eclair cake is one I make all spring and summer, and my s’mores eclair cake brings in marshmallow and chocolate.

A slice of eclair cake lifted on a server, with the full cake visible in the background.

More No-Bake Desserts

For the rest of the dessert table, every one of my easy no bake desserts is on one page.

Video

4.80 from 105 votes
Slice of eclair cake with a bite on a fork, showing layers of graham cracker, pudding, and chocolate topping.

Eclair Cake

Serves — 12
My chocolate eclair cake tastes like an eclair crossed with an old-fashioned icebox cake. It chills overnight, so it's ready when you need it.
Prep Time 15 minutes
Chill 10 hours
Total Time 10 hours 15 minutes

Ingredients
 

  • 1 box 14.4 ounces graham crackers cinnamon or plain
  • 2 boxes French Vanilla Instant Pudding 3.4 ounces each
  • 12 ounces cool whip defrost about 4 hours before you need it
  • 3 ½ cups cold whole milk 2% works too
  • 1 tub dark chocolate frosting 16 ounces

Instructions
 

  • Spray a 9×11 pan with non-stick spray
  • Add the pudding mix and cold milk to a large bowl and mix with a mixer until combined.
    2 boxes French Vanilla Instant Pudding, 3 ½ cups cold whole milk
  • Fold in the thawed Cool Whip by hand with a rubber spatula until no white streaks remain.
    12 ounces cool whip
  • Cover the bottom of the pan with a layer of graham crackers.
    1 box 14.4 ounces graham crackers
  • Spread half of the pudding mixture over the graham crackers.
  • Add a second layer of graham crackers, then spread the rest of the pudding mixture over them.
  • Finish with a final layer of graham crackers.
  • Warm the frosting in a microwave-safe bowl for 20 to 30 seconds (or in the tub if the label says it is microwave safe), then stir so it spreads easily.
    1 tub dark chocolate frosting
  • Spread the frosting evenly over the top layer of graham crackers.
  • Cover and refrigerate for at least 10 hours or overnight before serving.

Jenn’s Notes

Tips:
  • Use cold whole milk or 2%. Skim, low-fat and dairy-free milk won’t let the pudding set, and you end up with a runny cake.
  • Fold the Cool Whip in by hand with a spatula, not a mixer, or the filling thins out.
  • Give it the full 10 hours or overnight so the pudding sets and the graham crackers soften.
  • For clean slices, put the pan in the freezer for about 30 minutes before cutting.
  • A 9×13 pan works too. The layers come out a little thinner.
Storage:
Keep leftovers covered in the fridge for 3 to 4 days. I don’t recommend freezing this one, because the pudding layers turn watery once they thaw.

Nutrition Info

Calories: 296kcal | Carbohydrates: 49g | Protein: 4g | Fat: 10g | Saturated Fat: 4g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 4g | Cholesterol: 13mg | Sodium: 219mg | Potassium: 215mg | Fiber: 1g | Sugar: 42g | Vitamin A: 165IU | Calcium: 122mg | Iron: 1mg

Originally posted – November 4th, 2015

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Comments

  1. Just Wondering Could You Used Pastry Puffs Instead Of Gram Crackers. With Gram Cracker It Would Be Like My Ice Box Cake But Without My Chocolate Pudding

  2. Has anyone considered using sugar free pudding and sugar free cool whip to lower the sugar content? How about 2% milk or an alternative milk to lower fat and lactose. There are even recipes on Pinterest to make sugar free graham crackers. I bet it would taste just as good, and be a lot healthier.

  3. I haven’t made it yet, but if it taste as good as it sounds, then I would certainly give it 5 stars.

  4. 5 stars
    we had this Christmas. Our daughter inlaw made it and poof it was gone. I can’t wait to make it. Also, can’t wait to try the other recipes. Thank you for sharing! 😋

  5. 5 stars
    I made this vanilla Eclair cake it was so easy and so Delicious. Can’t wait to make them all. Thank You so much for sharing. I love all these recipes.
    Thanks Again!

  6. I ‘m making a chocolate chip and heavy cream frosting. Also you can make 1 layer chocolate and 1 vanilla! There’s so many different variations. It’s fun to experiment!

  7. I have been making this cake for nearly 50 years. It is requested at every family function, at every picnic, and every birthday. Rather than microwave the frosting I refrigerate the cake for 2 hours exactly before frosting. Then it is easy to spread without the graham crackers moving around. Over the years I have tweaked the recipe and I use more French vanilla pudding. I now use five of the small boxes with the 12 oz of Cool Whip.
    I prefer to use plain graham crackers for my crust.