Marinara Meatball Mini-Burgers

Ingredients

• Meatballs

  • 1 lb (454 g) lean ground pork or veal
  • 3/4 cup (55 g) grated Parmigiano-Reggiano cheese
  • 1/4 cup (60 ml) milk
  • 2 tbsp bread crumbs
  • 1 egg
  • 2 cloves garlic, finely chopped
  • 1 tbsp chopped fresh basil leaves
  • 1 pinch nutmeg

• Tomato Sauce

  • 1 onion, chopped
  • 2 cloves garlic, finely chopped
  • 2 tbsp (30 ml) olive oil
  • 1 can (14 oz/398 ml) diced tomatoes

• Wilted Spinach

  • 8 cups (225 g) packed baby spinach
  • 2 tbsp (30 ml) olive oil
  • Salt and pepper
• • 8 to 10 small hamburger buns