Stracciatella Soup (Italian Egg Drop Soup)

Bahan-bahan (4 porsi)

• 6 cups (48 oz) good chicken broth (homemade or good quality store-bought, such as Swanson) ( )
• ½ teaspoon dried thyme (or 1 sprig fresh thyme)
• Salt
• White pepper
• 2 cups roughly chopped fresh spinach (optional)
• 3 large eggs
• ⅓ cup (packed) freshly grated Parmigiano Reggiano, plus more for serving
• 1 tablespoon fresh flat-leaf parsley, finely chopped, plus a bit more for serving (optional)
• Pinch of nutmeg