chop the sweet potatoes into a large bowl and mash with the skins on

add the thawed squash and mash together, taste add salt and pepper if desired, set aside

brown the meat substitute in a the oil quickly in a large skillet over medium high heat

when browned add the curry powder, onion, garlic, ginger

reduce heat to about medium

then cook and stir, taste for salt, add as needed

add the peas, corn, green beans and continue cooking for 5 minutes or so

then press the meat mixture into the bottom of a 7x10 casserole pan, or another similiar in size

scoop the potatoes onto the meat substitute mixture covering it almost completely

dot with butter if desired, add a bit of salt and pepper too

bake for 40 minutes

remove from the oven and let it rest for about 5 minutes