Bake this irresistible Trois Fromages L’Oignon Doux Tartlettes at home. Made with swiss cheese, gruyere shredded, vidalia onions and mayonnaise. Easy st…
This Trois Fromages L’Oignon Doux Tartlettes relies on simple, everyday ingredients such as shredded swiss cheese, gruyere shredded, parmigiano reggiano shredded and vidalia onions diced sweet. It comes together quickly and makes 4 servings, at about 648 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
Whether you're rounding off a family dinner, bringing a treat to a gathering, or simply satisfying a sweet craving, this Trois Fromages L’Oignon Doux Tartlettes delivers. Serve it warm or at room temperature, and add a scoop of ice cream or a spoonful of whipped cream for an extra-special finish.
Updated Jun 30, 2026