This pineapple pistachio cake is a soft, moist sheet cake made with crushed pineapple and pistachio pudding mix, finished with a light pistachio whipped frosting. It is a retro style dessert with a fresh tropical twist, and it comes together with a cake mix and a few pantry ingredients.
The cake bakes in a 9×13 pan, cools while you whip the frosting, and chills until the flavors settle. It is ideal for potlucks, picnics, and spring gatherings, since it serves a crowd and tastes great after a rest in the refrigerator.
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Why This Pineapple Pistachio Cake Recipe Works
Crushed pineapple with its juice replaces water in the batter, giving the cake a tender, moist crumb and a sweet tropical flavor. The fruit stays in small pieces, so the texture is soft rather than chunky.
Instant pistachio pudding mix goes into the batter and the frosting. In the cake it adds a gentle nutty flavor and a pale green color, and in the frosting it thickens whipped topping into a fluffy, spreadable cloud.
Using a boxed white cake mix keeps the process simple and reliable, while the oil and eggs make it richer than the usual box recipe. The frosting is not too sweet, which balances the fruit and keeps the cake light.
Ingredients for Pineapple Pistachio Cake
- 1 box white cake mix, about 15 oz
- 3 large eggs
- 1 can crushed pineapple, 20 oz, with juice
- 1/2 cup vegetable oil
- 1 box instant pistachio pudding mix, 3.4 oz, for the cake
- 1 box instant pistachio pudding mix, 3.4 oz, for the frosting
- 2/3 cup whole milk
- 8 oz whipped topping, thawed
- 2 tbsp chopped pistachios for decoration
Cake mix. A standard white cake mix creates a light crumb that supports the pineapple. Do not prepare it with the box directions, since this batter uses oil, eggs, and pineapple juice instead.
Crushed pineapple. Use the whole can, juice included, for moisture and flavor. Do not drain it.
Pistachio pudding mix. Choose instant pudding, not the cook and serve kind, because it sets without heat. One box goes in the batter and one in the frosting.
Milk. Whole milk thickens the second box of pudding quickly into a smooth, spreadable base.
Whipped topping. Fold in thawed topping gently so the frosting stays airy. Whipped heavy cream stabilized with powdered sugar also works.
How to Make Pineapple Pistachio Cake
1. Heat the oven Set the oven to 350 degrees F and grease a 9×13 inch baking dish.
2. Mix the batter Beat the cake mix, one box of pudding mix, oil, eggs, and the pineapple with its juice in a large bowl for 2 minutes, until smooth and thick.
3. Bake the cake Spread the batter in the dish and bake for 30 to 35 minutes, until a toothpick in the center comes out clean.
4. Cool completely Let the cake cool in the pan for about 1 hour, until no warmth remains, so the frosting does not melt.
5. Make the frosting Whisk the second box of pudding mix with the milk for 2 minutes until thick, then gently fold in the whipped topping until smooth.
6. Frost and chill Spread the frosting over the cooled cake and refrigerate for 2 hours to let it set.
7. Garnish Sprinkle with chopped pistachios just before cutting into squares.
How to Serve Pineapple Pistachio Cake
Cut the cake into squares and serve it cold from the refrigerator. It goes well beside moist vanilla cake and lemon layer cake on a dessert table, or after a summer meal with fresh fruit pavlova and homemade strawberry cake. A spoonful of extra crushed pineapple or a few toasted coconut flakes on each square adds a tropical finish.
How to Store and Reheat Pineapple Pistachio Cake
Cover the cake tightly and refrigerate for up to 3 days. Do not freeze it, because the whipped frosting becomes watery and the pudding layer separates after thawing. Take the cake out for 10 minutes before serving so the frosting softens slightly, and keep it chilled at all other times.
Tips and Variations for Pineapple Pistachio Cake
Cool fully. Frosting a warm cake melts the topping. Wait until the pan feels cool to the touch.
Do not drain the pineapple. The juice supplies moisture, and draining would leave a drier cake.
Use instant pudding. Cook and serve pudding will not thicken properly in the frosting.
Fold gently. Stirring too hard deflates the whipped topping and makes the frosting runny.
Toast the nuts. A few minutes in a dry skillet brings out the pistachio flavor.
Add coconut. Shredded coconut folded into the frosting adds a tropical touch.
Mind nut allergies. Pistachios are tree nuts, so label the cake if it goes to a gathering.
Skip the raw batter. The batter contains raw eggs and raw flour, so do not taste it before it bakes. For general guidance on handling eggs safely, see the Montana State University Extension egg fact sheet.
Frequently Asked Questions About Pineapple Pistachio Cake
What makes pineapple pistachio cake so moist?
The crushed pineapple and its juice add moisture, and the oil keeps the crumb soft for days. The frosting also seals in moisture in the refrigerator.
Can I make pineapple pistachio cake ahead of time?
Yes. Bake and frost it the day before, then refrigerate it covered. It tastes even better after chilling overnight.
What pan works for pineapple pistachio cake?
A 9×13 inch baking dish is the right size. Two 9 inch round pans also work, but check for doneness 5 minutes early.
Can I use fresh pineapple?
Canned crushed pineapple is better here because it brings consistent moisture. Fresh pineapple needs to be finely chopped and mixed with a little juice to match.
Can I use another pudding flavor?
Yes. Vanilla or coconut cream pudding mix works in both the batter and the frosting.
Pineapple Pistachio Cake with Whipped Topping
Equipment
- 9×13 inch baking dish
- Large mixing bowl
- Hand mixer
- Whisk
- Spatula
Ingredients
Main Ingredients
- 1 box white cake mix about 15 oz
- 3 large eggs
- 1 can crushed pineapple 20 oz, with juice
- ½ cup vegetable oil
- 1 box instant pistachio pudding mix 3.4 oz, for the cake
- 1 box instant pistachio pudding mix 3.4 oz, for the frosting
- ⅔ cup whole milk
- 8 oz whipped topping thawed
- 2 tbsp pistachios chopped, for decoration
Instructions
Cooking
- Bake. Heat the oven to 350 degrees F, beat the cake mix, one pudding box, oil, eggs, and pineapple with juice until smooth, and bake in a greased 9×13 dish for 30 to 35 minutes.
- Cool. Cool the cake completely, about 1 hour.
- Frost. Whisk the second pudding box with milk until thick, fold in the whipped topping, and spread over the cake.
- Chill. Refrigerate 2 hours, then top with pistachios and cut into squares.
