Baked Vegetable Croquettes

Ingredients

• • 1 onion, thinly sliced
  • 1 cup (250 ml) shredded potatoes
  • 1 cup (250 ml) shredded sweet potatoes
  • 1/2 cup (125 ml) shredded carrots
  • 1/4 cup (60 ml) grated Parmigiano-Reggiano cheese
  • 2 tablespoons (30 ml) butter
  • Grated nutmeg, to taste 

  • 3 egg whites 

  • 3 tablespoons (45 ml) unbleached all-purpose flour
  • Salt and pepper