Can this be made in a 9x13-inch baking dish?

Yes. I would just use the recommended baking times for a 9x13-inch baking dish that is shown on the back of the cake mix box.

7Up Cake

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This 7Up Cake is a moist lemon pudding cake that is made with a jazzed up boxed cake mix and topped with a delicious homemade lemon icing drizzle!

A Moist Lemon Cake Recipe

Recently I shared my recipe for Double Fudge Coca-Cola Cake and then I realized, I couldn’t share the Coca-Cola Cake without also sharing the 7Up Cake. The 7Up Cake is similar to the Coke Cake in that you don’t really taste the soda as a separate ingredient. It adds flavor and makes it super moist. You could eat this bundt cake without any icing, it is just so incredibly flavorful and moist but I think the slightly tart icing gives the sweet cake a nice pop of flavor!

a slice of 7Up cake on a small round white plate with a fork that has removed a small portion of the cake.

Frequently Asked Questions

Can this be made in a 9×13-inch baking dish?

Yes. I would just use the recommended baking times for a 9×13-inch baking dish that is shown on the back of the cake mix box.

My bundt cakes always stick, what do I do?

Bundt pans need to be greased really well. A lot of people recommend greasing the pan the coating it in flour or making up magic release solutions with ingredients you may not have on hand. While that works well, I find it easiest to use a nonstick baking spray that has flour in it (like Baker’s Joy – see my image below from another recipe.) I just make sure to spray it really well into all the nooks and crannies and it works absolutely beautifully every single time and I always have it on hand. Pam also makes a similar version.
Baker's Joy nonstick cooking spray

Will this work with the smaller amount in cake mixes these days?

Over the last few years, manufacturers have changed the size of cake mixes. A few years ago, cake mixes were 18.25 ounces, then they went down to 15.25, and now some brands are down to 13.25 ounces. Duncan Hines is still my go-to and at the time that I’m writing this, they’re still 15.25 ounces. Great Value (the Wal-Mart brand is also still 15.25 ounces) However, this can change without notice.
This recipe has since been tested with a 13.25 ounce cake mix as well and it worked just fine, with NO changes needed.

What Bundt Cake pan is shown in the photos?

This is the bundt pan (non affiliated link) that was used in these photos. Unfortunately it is out of stock and I’m not sure if it will come back in stock.
I looked for something similar but just couldn’t find anything that is exactly the same. This pan (paid affiliate link) was the closest and this other one (paid affiliate link) was similar as well. Any 10-cup bundt pan will work with this recipe.

How do I store leftovers?

You can store it in a covered container on the counter for up to 2 days or in the refrigerator for up to 5 days.

Can 7Up Cake be frozen?

Yes! Just make sure you wrap it very well to protect against freezer burn and it will freeze for up to 3 months.

a bundt cake shown on a plate with a slice removed with cans of 7Up soda in the background.

Ingredients Needed: (See Recipe Card Below For The Full Recipe)

yellow cake mix – you could also use a lemon cake mix, butter cake mix or even a French vanilla cake mix if you prefer.
instant lemon pudding – you want to look for the instant pudding – you do not need to use the Jell-O brand, it can be a store brand instant pudding.
7 Up – you can use diet soda (although that would not be my top choice) or maybe even try Sprite or Mountain Dew with this – I don’t think Ginger Ale would be a good flavor for this.
eggs – try to make sure your eggs are at room temperature for baked goods – it helps to produce a lighter, fluffier cake.
vegetable oil – you can substitute for the same amount of melted butter but this will produce a more dense and heavier cake.
lemon juice – I always prefer fresh lemon juice – the bottled stuff just tastes fake and I personally don’t like it but if you love it then go for it.

yellow cake mix, lemon instant pudding, 7Up soda, eggs, oil, lemon, sour cream.

How To Make 7Up Cake

Preheat oven to 325F degrees. Spray a 10-inch bundt pan with nonstick baking spray that has flour in it. In a medium bowl, combine all the cake ingredients (cake mix, instant lemon pudding, eggs, oil and 7up). Mix until thoroughly combined.

collage of two photos: cake mix, instant lemon pudding, eggs, oil and 7up shown in a large clear bowl; cake mix ingredients stirred well in bowl.

Pour batter into bundt pan. Bake for about 35-45 minutes (until inserted toothpick or fork comes out clean). Allow to cool completely, then remove from bundt pan and place on a cake plate.

collage of two photos: cake batter in bundt pan; fully baked 7Up cake in bundt pan.

Start preparing icing. In a small bowl, combine powdered sugar, lemon juice and lemon zest (if using). Add milk in slowly until you’ve reached desired consistency. I personally like it a bit on the thicker side. Pour icing over cake. Allow it to sit for a bit to set up (it won’t harden up fully like a frosting).