Easy Zucchini Ground Beef Quinoa Casserole - Recipes by Clare

Ingredients

• 3 cups cooked quinoa (from 1 cup dried)
• 1 lb ground beef
• 2 medium zucchinis (1.5-2 lbs), chopped into bite-size pieces
• 1 small yellow onion, diced
• 2 tablespoons olive oil, divided
• 1 (14.5 oz) can tomato sauce
• 1 (14.5 oz) can diced tomatoes, drained
• 1 tablespoon Italian seasoning
• 1 teaspoon dried oregano
• 1 teaspoon garlic powder
• 1 teaspoon dried basil
• 1 teaspoon sea salt, divided
• ½ teaspoon black pepper
• 2 cups shredded mozzarella cheese, divided