Kale Zucchini Quinoa Gratin - Pure Hunger

Ingredients

• 1 cup cooked quinoa
• 1 cup cooked sausage
• 2 cups sliced zucchini (1/2 inch slices)
• 2 bunches kale (about 10 leaves per bunch)
• 2 1/2 Tbsp extra-virgin olive oil
• 1 small onion
• 1/2 cup chicken stock
• 1 cup milk (I use non-fat)
• 1 1/2 tsp salt
• 1/4 tsp ground pepper
• pinch of nutmeg
• 1 large egg plus 1 large egg yolk
• 1 3/4 cup shredded parmesan
• 1/4 cup fresh bread crumbs