Asparagus & Caramelized Onion Tartlets

Bahan-bahan (15 porsi)

• 8 thick asparagus spears (ends trimmed)
• 1 g arlic clove (minced)
• 2 teaspoon olive oil (divided)
• 1/4 teaspoon kosher salt (divided)
• Freshly ground black pepper (to taste)
• 1 medium yellow onion (halved and thinly sliced)
• Pinch granulated sugar
• 30 mini phyllo pastry shells
• 2/3 cup shredded part-skim mozzarella cheese
• 3 tbsp shredded parmesan cheese (I used Parmigiano Reggiano)
• Chopped fresh chives (optional for garnish)