pistachio cake rx pulse blend hi to powder in vitamix "dry container": 1 c pistachio flour 3/4 c chopped raw pistachios 1/4 c buckwheat flour 1/4 c coconut flour 1/4 tsp ground fenugreek 1/8 tsp baking soda 1 tsp non-aluminum baking powder transfer to vitamix 2L container; pulse blend hi until fine powder; blend lo in vitamix "wet container": 1/4 c lemon juice 1 egg 1/4 c greek yogurt add: 1/4 c pistachio butter 1/4 c crystallized ginger butter blend lo; pour & scrape wet ingredients into dry ingredients; stir, pulse, then blend lo to med; add: 1/2 c seltzer pulse, then brief blend lo; pour & scrape into pyrex baking dish lined with parchment or silicone baking mat; bake 350F 1 hr 15 min when cool, remove from baking dish and remove liner