Go Back
Close-up of the golden-brown exterior and thick white glaze of a Key Lime Bundt Cake.

Key Lime Bundt Cake: The Ultimate Zesty & Moist Summer Dessert

This Key Lime Bundt Cake features a golden-brown exterior and a vibrant light-green interior. Draped in a thick white sugar glaze, this moist lime-flavored sponge is the perfect Pinterest-worthy dessert for summer gatherings and citrus lovers.
Print Recipe Pin for Later
Prep Time 20 minutes
Cook Time 55 minutes
Total Time 1 hour 15 minutes
Servings: 12 slices
Course: Dessert
Cuisine: American
Calories: 410
Ingredients Equipment Method Notes

Ingredients
  

Main Ingredients
  • 3 cups All-purpose flour 375g
  • 1 cup Unsalted butter 225g, softened
  • 2 cups Granulated sugar 400g
  • 1 cup Sour cream 240g, room temperature
  • 1/2 cup Key Lime juice 120ml, fresh preferred
  • 4 Large eggs Room temperature
  • 2 tablespoons Fresh lime zest
  • 1 teaspoon Baking powder 5g
  • 1/2 teaspoon Salt 3g
  • 2 cups Powdered sugar 240g
  • 3 tablespoons Key Lime juice 45ml
  • 3 half-slices Fresh lime Thin and translucent

Equipment

  • 1 10-inch Fluted Bundt Pan Cast aluminum recommended for best browning.
  • 1 Stand Mixer Used for creaming butter and sugar.

Method
 

Batter Preparation
  1. Cream softened butter and granulated sugar in a stand mixer for 5 minutes until light and fluffy.
  2. Beat in eggs one at a time, followed by sour cream, lime juice, and zest. Add a drop of green food color if desired for a vibrant interior crumb.
Baking
  1. Slowly fold in the flour, baking powder, and salt until just combined.
  2. Pour batter into a greased fluted bundt pan and bake at 350°F (175°C) for 55-60 minutes until the exterior is golden-brown.
Finishing
  1. Cool in pan for 10 minutes, then invert onto a wire rack to cool completely.
  2. Whisk powdered sugar and lime juice into a thick glaze. Pour over the cake, garnish with zest and lime slices.

Notes

Use a Microplane for the finest lime zest powdering.
Ensure all dairy ingredients are at room temperature for a smooth, emulsified batter.