Cook and mash the potatoes with butter, milk and salt

Preheat oven to 400°F

Saute the onion in the olive oil til translucent.

Add garlic and mushrooms and cook til onion is golden

Add lentils and their liquid and bring to a simmer. Stir in wine soy sauce and seasoning and cook for 5 min

Add cornstarch

Add spinach and cook til wilted then add to caserole dish. Top with mashed potatoes

Bake 30 to 35 min then let stand 5 min before serving