7Up Pound Cake

The 7Up pound cake is the Southern cake that proves a bottle of lemon-lime soda belongs in the pantry — a tall, buttery pound cake lightened and brightened by a cup of 7Up, with a crackly golden crust and a tender, fine-crumbed interior. It is a church supper and family reunion staple across the South, and the soda does two jobs at once: it adds lift and a faint lemon-lime perfume that makes the cake taste somehow lighter.

Why this recipe works: A classic pound cake is butter, sugar, eggs, and flour — and the 7Up adds carbonation that helps the cake rise higher and stay moist, plus just enough citrus to brighten the buttery richness. The result is a tall, golden cake with a crackly top, a dense-but-tender crumb, and a lemon-lime undertone that pairs perfectly with the vanilla glaze.

Key ingredients

• Butter and sugar: creamed until light and fluffy — the pound cake base.
• Eggs: added one at a time.
• Cake flour or all-purpose flour: sifted, for a tender crumb.
• 7Up (or any lemon-lime soda): at room temperature — cold soda can seize the batter.
• Vanilla and a lemon-lime glaze: the classic finish.

Tips for the best 7Up cake

Have everything at room temperature — butter, eggs, and the soda — and cream the butter and sugar for a full 5 minutes until pale and fluffy; this is where the tender crumb comes from. Add the flour and soda alternately, beginning and ending with flour, and mix just until combined. Bake in a greased and floured tube or Bundt pan at 325°F until a skewer comes out clean, 70 to 85 minutes. Cool in the pan for 15 minutes, then glaze while still warm so the glaze soaks into the top.

Variations and storage

Add a teaspoon of lemon zest to the batter, or make a citrus glaze with lemon juice and powdered sugar. The cake keeps 4 to 5 days wrapped tightly at room temperature — pound cakes only improve with a day of rest — and freezes beautifully for 3 months.

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