Naan Bread Pudding with Spinach and Caramelized Onions

Ingredients

• 8 eggs
• 1 tablespoon olive oil
• 1/8 teaspoon nutmeg
• 2 teaspoons balsamic vinegar
• Kosher salt and black pepper
• 1 teaspoon dried thyme ((or 1 tablespoon fresh thyme))
• 2 large sweet onions ((1½ pounds), thinly sliced)
• 4 pieces Stonefire Tandoor Baked Naan ((I used a combination of Whole Grain and Garlic))
• 1 box ((10 ounces) frozen chopped spinach, defrosted and squeezed dry)
• 4 ounces Fontina or other good melting cheese like Gruyere or sharp cheddar, (grated (about 1 ½ cups))
• 2 cups milk ((I used 2%))