• 4 sticks butter, that’s 1 lb, room temperature
  • 3 c sugar
  • 6 large eggs plus 2 yolks, room temperature
  • 3 1/2 c all-purpose flour
  • 1/3 c plus 2 tablespoons fresh key lime juice
  • 1/4 c grated Key lime zest
  • 1 tsp vanilla


  • 8 oz cream cheese, room temperature
  • 3-4 tbsp butter, room temperature
  • 4 c confectioner’s sugar
  • 2 tbsp freshly squeezed Key lime juice
  • 2-3 tsp grated key lime zest
  • 1 tsp vanilla extract


Step 1: Prepare the oven and preheat to 325 degrees F.

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Step 2: Apply non-stick cooking spray in a 10-inch tube pan.

Step 3: Beat the butter with a stand-up mixer.

Step 4: Add in sugar and beat for about 5 to 10 minutes or until well mixed.

Step 5: Add in the eggs gradually and beat every addition.

Step 6: Add in the lime zest and stir until well blended.

Step 7: Add in vanilla, milk, and juice. Stir until well combined.

Step 8: Mix both mixtures until well combined.

Step 9: Transfer the batter into the prepared tube pan and spread it evenly.

Step 10: Place it inside the preheated oven and bake for 1 hour and 30 minutes or until a toothpick comes out clean after inserting it in the middle

Step 11: Remove from the oven and allow it to cool at room temperature.

To Make the Icing:

Step 1: In a large mixing bowl, add in the butter and cream cheese. Beat with a hand mixer until well combined.

Step 2: Add in confectioners’ sugar and beat until smooth.

Step 3: Add in zest, vanilla, and lime juice. Stir until well combined.

Step 4: Spread the icing over the cooled cake.

Step 5: Serve and enjoy!

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