Pistachio pudding cake, also known as Watergate Cake is full of rich and nutty pistachio flavors and makes an easy moist but thicker cake. This classic cake is topped with a fluffy frosting and ...

plus a couple of packs of instant pistachio pudding (one for the cake and another for the frosting), some Cool Whip, milk, and eggs. I also picked up green food dye from Dollar Tree to turn the ...