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This classic 7 UP Cake recipe brings all the nostalgia of Southern baking with its perfect balance of sweetness and subtle citrus flavor. The 7 UP soda creates an incredibly moist texture while adding a hint of lemon-lime that makes this pound cake truly special.
I grew up watching my Mama make this cake for every family gathering, and the moment that distinctive aroma filled our home, we knew something special was coming. This recipe has been passed down through generations in our family, bringing the same joy to my kitchen as it did in hers.
Ingredients
- 1 ½ cups unsalted butter: room temperature. Quality butter creates the rich foundation for this cake.
- 3 cups granulated sugar: Creates the perfect sweetness balance and helps with the cake's texture.
- 1 teaspoon kosher salt: Enhances all the flavors and balances the sweetness.
- 5 large eggs: room temperature. Provides structure and richness to the cake.
- 3 cups sifted cake flour: Results in a more tender crumb than all-purpose flour.
- 1/2 cup 7 UP soda: room temperature. The star ingredient that creates exceptional moisture and flavor.
- 2 teaspoons pure lemon extract: Amplifies the citrus notes for a bright flavor profile.
For the Glaze
- 1 cup confectioner's sugar: Creates a smooth, sweet finishing touch.
- 3 tablespoons 7 UP soda: Reinforces the cake's signature flavor in the glaze.
- 1/2 teaspoon pure lemon extract: Adds a pop of brightness to the sweet glaze.
Step-by-Step Instructions
- Prepare the Pan:
- Preheat your oven to 315°F and thoroughly spray a 12 cup bundt pan with non-stick baking spray. Make sure to get every nook and cranny to prevent sticking.
- Cream Butter and Sugar:
- Beat the butter on high speed for 2 minutes until smooth. Gradually add sugar and salt, then beat for a full 7 minutes. This extended creaming process is crucial for incorporating air, resulting in a cake with perfect texture. The mixture should become very pale yellow and fluffy.
- Add Eggs:
- Add eggs one at a time, fully incorporating each before adding the next. Scrape down the sides of the bowl frequently to ensure everything is well mixed. This gradual addition prevents the batter from curdling.
- Incorporate Flour:
- Turn mixer to lowest speed and add flour in two batches, mixing just until incorporated. Overmixing will develop too much gluten, making your cake tough instead of tender.
- Add 7 UP and Extract:
- Pour in room temperature 7 UP and lemon extract, then mix just until combined. The carbonation in the soda will start working immediately, so move quickly to get the batter into the pan.
- Bake to Perfection:
- Pour the batter into your prepared bundt pan and bake for 1 hour and 15 to 20 minutes. Test for doneness with a toothpick inserted in the center. Cool in the pan for 10 minutes before inverting onto a serving plate.
- Glaze the Cake:
- Whisk together confectioner's sugar, 7 UP, and lemon extract until smooth and pourable. Spoon over the slightly cooled cake, allowing it to drip down the sides naturally.
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My absolute favorite part of this recipe is the buttery crust that forms on the outside of the cake. My Mama taught me that the key to getting that perfect crust is letting the cake cool just enough in the pan before turning it out. Too soon and it falls apart, too late and the crust sticks to the pan.
The Secret to Perfect Texture
The magic of this 7 UP Cake lies in two key techniques. First, the extended creaming of butter and sugar creates tiny air pockets that expand during baking. Second, the carbonation in the 7 UP adds additional leavening. Together, these create the perfect balance between density and tenderness that makes pound cake so satisfying. Room temperature ingredients are absolutely essential here, as cold eggs or butter will prevent proper incorporation and result in a heavier cake.
Why Original 7 UP Matters
My mama always insisted on using original 7 UP, and through years of baking, I've come to agree. While any lemon-lime soda will work, the original 7 UP has a distinct flavor profile with more pronounced citrus notes and a specific level of carbonation. The difference might seem subtle, but in a recipe with so few ingredients, each one matters. The original 7 UP also has a slightly different sweetness level that works perfectly with the amount of sugar in this recipe.
Seasonal Variations
Transform this classic cake throughout the year by adding seasonal touches. In summer, serve with fresh berries and whipped cream. For fall, add a teaspoon of cinnamon to the batter and top with caramelized apples. During winter holidays, fold in a tablespoon of orange zest and decorate with sugared cranberries. Spring celebrations call for a light lemon curd filling between slices and garnished with edible flowers. The versatile base recipe adapts beautifully to any seasonal flavors.
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Frequently Asked Questions
- → What makes 7 Up cake unique?
The addition of 7 Up soda adds moisture and a light citrus flavor to this decadent cake, giving it a unique texture and taste.
- → Can I use a different soda instead of 7 Up?
While 7 Up is traditional for this cake, you can substitute with other lemon-lime sodas like Sprite or Sierra Mist, though the flavor may differ slightly.
- → How do I keep the cake moist during storage?
Wrap the cake well in plastic or store in a sealed container at room temperature to maintain its moist texture. For longer storage, refrigerate or freeze as needed.
- → What is the best way to glaze 7 Up cake?
Spoon the glaze over the cooled cake slowly, allowing it to drizzle down the sides for an even, glossy coating.
- → Can I freeze 7 Up cake for later use?
Yes, wrap the cake tightly in plastic wrap and foil, then freeze for up to 3 months. Thaw in the fridge or at room temperature before serving.