Soften unsalted butter at room temperature. Adding sugar,salt into and mix it until creamy and puffy. Add 2 full eggs into the mixture and stir. Using a sifter, sift the flour, dark cocoa powder, and baking powder into batter and mix. After that add the whipping cream whisk it, Add some chocolate chunks.

Put the chocolate mixture into a piping bag. Fill the dough up to 70% of the cupcake wrapper. Put a few more chocolate chunks and macadamia nuts on top. Preheat your oven at 374 degrees for 20 minutes. Bake at 156 degrees for 25 minutes. Let it cool slightly and carefully remove from the mold.