Preheat oven to 140 degrees. Sift two times the ground almonds and confectioner’s sugar together.
Fill dough into a piping bag and pipe small circles. Let them set for 20-30 minutes. Then bake for 12-14 minutes. Then remove from oven.
For the filling: Beat together mascaspone, lemon zest and confectioner's sugar. Fill in piping bag and pipe of one side of macaron. Decorate with stars.