Caramelized Onion, Spinach, and Cheddar Flaky Pastries

Bahan-bahan (9 porsi)

• 2 tablespoons extra virgin olive oil
• 1 yellow onion, thinly sliced
• 1 teaspoon honey, plus more for serving
• kosher salt and pepper
• 1 g arlic clove, minced or grated
• 1 tablespoon fresh thyme leaves
• 1/4 teaspoon freshly grated nutmeg
• 1 teaspoon crushed red pepper
• 1 bag (16 ounce) frozen chopped spinach, thawed and squeezed dry
• 1 cup shredded sharp cheddar cheese
• 1 cup shredded havarti cheese
• 1 box frozen puff pastry, thawed
• 1 egg, beaten
• everything bagel spice, for sprinkling (optional)