Easy Lemon 7UP Cake is the bright, nostalgic bundt cake to make when you want big lemon flavor, a super‑moist crumb, and almost zero fuss. You doctor a boxed lemon cake mix with instant lemon pudding, eggs, oil, and fizzy 7UP, then finish it with a simple lemon‑7UP glaze that seeps into every ridge of the cake.
Why you’ll love this cake
This recipe follows the classic “doctored mix” formula used in many beloved 7UP and lemon pudding bundt cakes: cake mix plus instant pudding plus soda for a tight, velvety crumb and consistent rise. The carbonation and citrus in 7UP add gentle lift and extra moisture, which is why Southern‑style 7UP cakes are known for staying soft and tender for days.
The glaze is just three ingredients—powdered sugar, fresh lemon juice, and a splash of 7UP—whisked into a pourable icing that gives you that bakery‑style sweet‑tart finish without any cooking. It’s a perfect make‑ahead dessert for potlucks, holidays, and Sunday dinners because the flavor actually improves as it sits.
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