Pistachio honey cake

pistachio honey cake
for cakes:
pistachios (or pistachio flour) 100 g
spinach 180 g
egg 2 pcs
honey 110 g
sugar 130 g
butter 70 g
soda 3/4 tsp
flour 400 g
I baked 7 cakes of 150 g a piece with a diameter of 18 cm
for cream:
sour cream 400 g
cream 300 g
powdered sugar 40 g
pistachio paste 2 tbsp