My grandpa survived on this hearty 4-ingredient staple during tough times and still asks for it every spring. It is incredibly cheap to throw together

Leftovers can be turned into a rustic soup the next day by adding a bit more water or broth and gently simmering on the stovetop until heated through.

If you’re feeding a mixed table, serve this as the comforting vegetable centerpiece and let people add their own extras at the table: grated cheese, a knob of extra butter, or sliced cooked sausage on the side.