01 - 
                Preheat oven to 175°C. Thoroughly grease and flour a bundt pan or two loaf pans to ensure easy release.
              
              
              
                02 - 
                In a large bowl, beat together sugar, softened butter, and shortening until light and fluffy with a hand mixer or stand mixer.
              
              
              
                03 - 
                Add eggs one at a time, blending well after each addition for a smooth, cohesive mixture.
              
              
              
                04 - 
                Mix in heavy cream, Key lime juice, lime zest, and vanilla extract. Stir gently until combined.
              
              
              
                05 - 
                In a separate bowl, whisk together cake flour, baking powder, and salt until evenly distributed.
              
              
              
                06 - 
                Gradually add the dry mixture to the wet ingredients, mixing only until a uniform batter forms. Do not overmix to ensure a tender crumb.
              
              
              
                07 - 
                Spread the batter into the prepared pan(s), smoothing the top. Bake on the centre rack for 55 to 65 minutes, or until a skewer inserted in the centre comes out clean.
              
              
              
                08 - 
                Allow the cake to cool in the pan for 10 minutes, then transfer to a wire rack to cool completely before glazing.
              
              
              
                09 - 
                In a small bowl, whisk together powdered sugar, Key lime juice, and vanilla extract until a smooth, pourable glaze forms.
              
              
              
                10 - 
                Drizzle the glaze evenly over the cooled cake, allowing it to set for at least 10 minutes before slicing.