Warm up with this hearty Sunday Night Portobello Mushroom Soup With Gruyere Toasties recipe. Made with butter, red onion, salt and garlic. Easy step-by-…
This Sunday Night Portobello Mushroom Soup With Gruyere Toasties relies on simple, everyday ingredients such as butter, big garlic cloves, crushed, portobello mushroms, sliced and sprigs thyme. It comes together quickly and makes 4 servings, at about 1049 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.
Updated Jun 30, 2026