With these creative sinless andwich ideas, including tabouleh and feta, avocado and cheddar, and sweet potato burgers, you'll never be bored of your meatless lunch again.

Mash avocado onto this sandwich filled with cheddar, tomatoes, red onion, and sprouts.

The secret to deliciousness in this bright spring lunch? A caramelized shallot -- it coaxes the sweetness out of the peas. Spoon the yolk onto the bread for an open-faced sandwich.

Stuff a toasted pita with tabouleh, feta, lettuce, and parsley for a satisfying lunch that's only 167 calories per serving.

Spread goat cheese on toasted muffin halves and top each with walnuts, basil, and a drizzle of honey for a sandwich that does not disappoint.

This vegetarian burger gets its meaty texture from brown rice and tofu.

Smear leftover part-skim ricotta on bread for a tasty summer sandwich. Nectarines, plums, and cherries also work in this combo.

Loaded with fiber, folate, iron, protein, and other vitamins and minerals, lentils are a delicious power food. Add them to seven-grain bread, along with roasted beets, goat cheese, and pea shoots for a flavorful meal.

Soaking the shaved onions briefly in ice water both crisps them up and takes away the burn sometimes associated with raw onions.

Try this fresh, open-faced alternative to peanut butter and jelly.

This fresh and flavorful sandwich is sure to satisfy vegetarians and meat eaters alike.

Marinated artichoke hearts, mashed white beans, and baby spinach come together in this good-for-you sandwich on whole-wheat toast.

At 191 calories per serving, this toasted bagel with cottage cheese, blackberries, and cinnamon is a winner.

Red, green, and yellow bell peppers, sauteed with onion and seasonings, are cooled and served with goat-cheese spread on crusty baguettes.

Beans and avocado give this sandwich a creamy, satisfying texture -- no meat or mayo required.

This sandwich gives pizza bagels a whole new (and healthy) meaning.

Tomato sandwiches of all kinds are a staple in the summer. Change yours up by adding sprouts, avocado and a red pepper coulis.

Add better-for-you ingredients to your egg sandwich with sliced roasted red bell peppers and baby spinach.

Top seven-grain toast with roasted vegetables and fresh ricotta for a unique sandwich.

Soak tofu in a brown-sugar vinaigrette is to add flavor to the meat alternative before adding to a baguette filled with mushroom and spinach.

Give this avocado sandwich a tasty kick with green Tabasco sauce.

Change it up with something sweet. Try topping a whole-grain roll with fresh ricotta and strawberries.

Bright onions, sweet avocado, and salty capers come together in this quick tartine. To mix it up, top your toast with soft-cooked egg, as well.

A Thai-spiced tofu is especially delicious in this spicy sandwich.

Spread almond or peanut butter on toast and top each slice with apple a drizzle of honey for quick and delicious bite.

Layer a whole-wheat wrap with beans, cottage cheese, avocado, jalapenos, and cilantro for a satisfying sandwich.

For genuine barbecue flavor, couple this spicy tofu with crunchy slaw and serve as a sandwich for just 173 calories per serving.

Enjoy a lighter egg sandwich with toasted pita bread, cherry tomatoes, and spinach.

Instead of packing your whole-wheat pita full of falafel, try these light zucchini-chickpea patties.

Fill whole-wheat pitas with lentils, tomatoes, yogurt, and mint for a light lunch that's filled with flavor.

Try these protein-rich quinoa burgers inside a whole-wheat pita topped with cucumber and yogurt sauce.