7Up Sheet Cake
Updated February 12, 2025
- Total Time
- 1¼ hours
- Prep Time
- 15 minutes
- Cook Time
- 1 hour
- Rating
- Comments
- Read comments
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Ingredients
FOR THE CAKE
1 cup/227 grams unsalted butter, at room temperature, plus more for greasing the pan
2 ½ cups/500 grams granulated sugar
5 eggs, at room temperature
1 ½ teaspoons lemon extract
1 teaspoon finely grated fresh lemon zest (from 1 lemon)
1 teaspoon finely grated fresh lime zest (from 1 large lime)
3 cups/384 grams cake flour
1 cup/240 milliliters 7Up
FOR THE GLAZE
5 cups/490 grams confectioners’ sugar
¼ cup/60 milliliters 7Up
3 tablespoons lemon juice (from about 2 lemons)
1 teaspoon finely grated fresh lemon zest (from 1 lemon)
1 teaspoon finely grated fresh lime zest (from 1 large lime)
Preparation
- Step 1
Heat oven to 350 degrees. Grease a rimmed 13-by-18-inch half sheet pan and line with parchment paper.
- Step 2
In the bowl of a stand mixer, cream together the butter and granulated sugar at medium speed. Add eggs one at a time, blending until incorporated, then add extract and both zests.
- Step 3
Reduce mixer speed to low. Add about ⅓ of the cake flour, followed by half of the 7Up, blending until combined. Repeat with flour, then 7Up, then the remaining flour, until evenly blended.
- Step 4
Transfer the batter into the prepared pan, smooth the top with a spatula and bake until golden brown and set in the middle, about 35 minutes.
- Step 5
While the cake bakes, make the glaze: In a medium bowl, combine the confectioners’ sugar, 7Up, lemon juice and both zests. Whisk until smooth. (If a skin forms on top, give it a stir.)
- Step 6
Let the cake stand cool completely in the pan, then spread the glaze onto the cake, and serve directly from the pan.
Private Notes
Comments
My mom used to make this type of cake as a pound cake. Yes - you have to use lemon extract. And don't use a can use a small bottle for the best results - not a 2 liter - cans versus bottles have different bubbles. Never use diet soda that will make it bitter.
The recipe calls for 500 g of sugar. I wouldn’t worry about using diet soda.
Cook's Illustrated published a nearly identical recipe about a decade ago. They tested different types of lemon-lime soda and said they were all fine, with one caveat: Don't use diet soda. It will make the cake bitter. So, no. don't use diet soda.
If I had to do over again, the cake really belongs in the bunt pan. The glaze is pretty heavy for a think sheet cake.
I wonder about using a bubbler to make your own soda water (for folks who don’t want so much sugar or diet)..
Can you substitute lemon juice for lemon extract?


