by KetoDietApp.com
Step 1 Preheat oven to 165 °C/ 325 °F (conventional), or 145 °C/ 290 °F (fan assisted). Line a baking sheet with parchment paper.
Step 2 In a large bowl mix together the cake ingredients. Once smooth place 8 mounds of dough on the baking sheet about 5 cm/ 2 inches apart.
Step 3Bake for 12 to 15 minutes until done. Remove and cool on a cooling rack.
Step 4To make the filling, place the ingredients in a bowl and use a hand mixer to beat until light and fluffy.
Step 5To assemble, divide the filling between 4 of the cookies then top with the remaining 4 cookies slightly smashing them together.
Step 6Remove from the refrigerator about 20 minutes before serving. Store in the fridge for up to 4 days. The cookies can be stored in a jar at room temperature for up to a week and the buttercream can be prepared just before serving.