Instant Pot Potato Recipes How ToOne Pot Stew | VeganIngredients: Oil to fry 1 diced onion 4 cloves of minced garlic 1 large carrot diced 4 sprigs of celery sliced 2 Portobello mushrooms diced 2 sliced baby marrows 3 … June 30, 2021/10 Comments/by Plantish.