Fluffy, filling and versatile, frittatas are a wonderfully easy meal to whip up when you're short on time and inspiration. It can be transformed time and time again, using whichever veggies you happen to have on hand and here, we've pulled together our best vegetarian options for those who are on a meat-free diet. From fresh asparagus fillings just perfect for spring to hearty and delicious potato-packed versions, these recipes are sure to delight. Enjoy!