To prepare a Tudys Key Lime Pie Poke Cake recipe, first you need to prepare the ingredients. First, you will need the following ingredients: Preheat the oven to 350?F (180?C) Grease and flour two 8-inch round cake pans. In another bowl, mix together the flour, baking powder, sugar, and salt. Add the dry ingredients to the wet ingredients and mix until just combined. Pour the batter into the prepared pan and bake the cake for 20 to 25 minutes or until the toothpick inserted in the center comes out clean.