Try this homemade Balsamic Red Onion and Gruyere Panini/Grilled Cheese recipe the whole family will love. Made with red onion, balsamic vinegar, olive o…
This Balsamic Red Onion and Gruyere Panini/Grilled Cheese relies on simple, everyday ingredients such as red onion, thinly sliced, olive oil, salt and sugar. It comes together quickly and makes 4 servings, at about 146 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026