First tried this at my neighbor’s party, and I wasted no time in asking for the recipe

Ingredients:

– 4 large potatoes
– 4 onions, thinly sliced
– 4 tablespoons butter
– 2 cloves garlic, minced
– 1/2 teaspoon dried thyme
– 1 cup beef or vegetable broth
– 1/2 cup dry wine or sherry
– 2 cups Gruyere cheese, shredded
– Salt and pepper to taste