Quinoa Stuffed Peppers

Ingredients (13)

• + 1 cup quinoa, rinsed and drained add to pantry
• + 2 cups water add to pantry
• + 2 tablespoons olive oil add to pantry
• + 1 small onion, diced add to pantry
• + 2 cloves garlic, minced add to pantry
• ✓ 1 zucchini, diced
• + 1 small eggplant, diced add to pantry
• + 1 tomato, diced add to pantry
• + 1 cup tomato sauce add to pantry
• ✓ salt and ground black pepper to taste
• + salt and ground black pepper to taste add to pantry
• + 6 bell peppers, tops cut off and seeded add to pantry
• + 1 cup shredded mozzarella cheese, or more to taste add to pantry