Instant Pot Vegetable Split Pea Soup is a hearty vegetarian soup that gives you a bowl of warm comforting goodness on cold days. This dump and stir recipe is quick and easy to make so it’s perfect to throw together on a busy morning so you can pack this wholesome soup for lunch. Not a morning person? This split pea soup stores well so you can make it ahead of time and pack this for lunch or eat it for dinner all week long.