🧅 Gruyère & Caramelized Onion Phyllo Cups 🧀 Savory sophistication in every flaky, golden bite. Ingredients Phyllo Cups 12 mini phyllo shells (store-bought or homemade) 🥮 1 tbsp melted butter (for brushing) 🧈 Onion Filling 2 large yellow onions, thinly sliced 🧅 2 tbsp olive oil 1 tbsp butter 1 tsp balsamic vinegar Salt and black pepper, to taste Cheese 1 cup shredded Gruyère cheese 🧀 Fresh thyme leaves, for garnish 🌿 As the onions caramelize low and slow, the kitchen fills with their deep,