French Onion Grilled Cheese | Moolicious Meals For 1 | Umami

Ingredients

• 1 tbsp. unsalted butter
• 1 large yellow onions, thinly sliced into half-moons
• 1/2 tsp. kosher salt
• 1 sprigs fresh thyme
• 1/6 c. dry white wine
• 4 (1/4"-thick) slices crusty country-style bread
• 2 tbsp. unsalted butter, softened
• Freshly ground black pepper
• 1 tsp. fresh thyme leaves
• 2 oz. Gruyère, thinly sliced