01 -
Preheat your oven to 350°F (175°C). Grease and flour a bundt pan or two loaf pans.
02 -
In a large bowl, cream together white sugar, butter, and shortening until fluffy. Add eggs one at a time, mixing well after each addition.
03 -
Stir in heavy cream, Key lime juice, lime zest, and vanilla extract until combined.
04 -
In another bowl, whisk together cake flour, baking powder, and salt. Gradually add to the wet mixture until just combined.
05 -
Pour the batter into prepared pans and bake for 55-65 minutes or until a toothpick comes out clean.
06 -
Cool the cake in the pan for 10 minutes before transferring it to a wire rack.
07 -
For the glaze, whisk powdered sugar with Key lime juice and vanilla extract until smooth. Drizzle over cooled cake.