Key Lime Cake frosted and in a 9 x 13 pan

Fresh Key Lime Cake!

You will love the fresh taste of this Key Lime Cake!    Key Limes or regular limes will work.  It is tender with a tangy fresh flavor we love!

Course Dessert
Cuisine American
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings 18
350 kcal


  • For the Cake
  • 3/4 cup butter softened
  • 1 2/3 cups granulated white sugar
  • 3 large eggs
  • 1 cup milk
  • 2 teaspoons vanilla extract
  • 1/4 cup fresh key lime juice or regular lime juice
  • 2 teaspoons fresh key lime zest or regular limes
  • 2 3/4 cups all purpose flour
  • 1 tablespoon baking powder
  • 3/4 teaspoon salt
  • Fresh Lime Frosting
  • 1/2 cup butter softened
  • 4 oz cream cheese
  • 2 cups confectioners sugar
  • 2 teaspoons key lime zest, plus more for garnish
  • 4 tablespoons fresh key lime juice


  1. Preheat the oven to 350°F. Spray a 9" x 13" pan with non-stick spray.
  2. Mix together butter and sugar. Add eggs one at a time.
  3. Add milk, vanilla, lime juice, lime zest to combine.
  4. Add flour, baking powder and salt.
  5. Mix with electric mixer until well blended
  6. Pour the batter into the prepared pan. Bake for 25 to 30 minutes or until a toothpick inserted in the center comes out clean.
  7. Cool cake and frost with Fresh Lime Frosting.
  8. For Fresh Lime Frosting
  9. In a large bowl, beat together the butter and cream cheese with an electric mixer. Add lime juice and lime zest.  With the mixer on low speed, add the powdered sugar a cup at a time until smooth and creamy.  

  10. Spread on cooled cake and garnish with additional lime zest.

Nutrition Facts
Fresh Key Lime Cake!
Amount Per Serving
Calories 350 Calories from Fat 144
% Daily Value*
Fat 16g25%
Saturated Fat 9g45%
Cholesterol 69mg23%
Sodium 247mg10%
Potassium 134mg4%
Carbohydrates 48g16%
Sugar 32g36%
Protein 3g6%
Vitamin A 540IU11%
Vitamin C 2.1mg3%
Calcium 61mg6%
Iron 1.1mg6%
* Percent Daily Values are based on a 2000 calorie diet.