115.25 ozbox white cake mixplus eggs, oil and water to prepare
114 ozcan sweetened condensed milk
3cupsheavy creamdivided
1/2cupkey lime juice
2 1/2Tbspkey lime zest
2tsppure vanilla extractdivided
1/3cupgranulated sugar
few drops green food coloringoptional
1/4cuptoasted sliced almonds
2ozgrated white chocolate
Instructions
Prepare prepare per the package directions in a 13x9 inch pan using the amounts of eggs, oil and water called for on the box. Bake per the instructions.
Once baked immediately use the end of wooden spoon or similar to poke holes over the surface of the cake.
Filling: Use an electric mixer or a whisk to combine the sweetened condensed milk, 1 cup heavy cream, lime juice, 2 Tbsp lime zest and 1 tsp pure vanilla. Add a few drops of green food coloring, if desired.
Pour the key lime filling over the top of the cake spreading into the holes. Chill completely.
Frosting: Use an electric mixer to whip the remaining 2 cups heavy cream, 1 tsp vanilla and 1/3 cup granulated sugar until stiff peaks form. Frost the top of the cake.
Sprinkle with the remaining lime zest, toasted sliced almonds and grated white chocolate. Store covered and chilled until serving
Store leftovers in the refrigerator for up to 5 days.