Clean and halve the beans, steam for approx. 20 minutes. Meanwhile, clean and slice the mushrooms, dice the onion and add salted pasta water.
Grind the cashew nuts in a kitchen utensil or mortar and mix with the soy cream, nutritional yeast, salt, pepper and nutmeg.
Brush a baking dish with the vegetable oil and mix the al dente cooked pasta with the vegetables and add. Pour the soy cream mixture over them and place in the Bach oven preheated to 180 ° C for 30 minutes.