Unhealthy Quinoa Mac and Cheese

Ingredients (15)

• + 5 slices bread, crusts removed and cubed add to pantry
• + 1 tablespoon olive oil add to pantry
• + 1 small onion, diced add to pantry
• ✓ 3 cloves garlic, diced
• + 2 cups quinoa add to pantry
• + 2 cups chicken stock add to pantry
• + 2 cups water add to pantry
• + ¼ cup butter add to pantry
• + ¼ cup flour add to pantry
• + 2 cups skim milk add to pantry
• ✓ salt and ground black pepper to taste
• + salt and ground black pepper to taste add to pantry
• + 8 ounces sharp Cheddar cheese, shredded add to pantry
• + 4 ounces mozzarella cheese, shredded add to pantry
• ✓ 1 large tomato, cored and sliced