Beef, turkey, chicken, or vegetarian, nothing hits the spot like burgers and dogs. Shake up your lunchtime sandwich routine with a juicy cheeseburger, grilled Wisconsin bratwurst, Chicago dog, sloppy joe sliders, and more.

Tangy feta cheese is the surprise inside pan-fried burgers made with flavorful ground chuck. Toppings of bacon, lettuce, and tomato will send you to burger heaven.

To serve up this favorite Midwestern sandwich, grill precooked bratwurst sausages until golden brown and serve on hard rolls with spicy brown mustard and bread-and-butter pickles. Make the classic side dish by sauteing red onion in butter, then stirring in sauerkraut and caraway seeds.

In this luscious vegetarian, burger, portobello mushrooms are roasted until tender, then broiled with slices of provolone cheese. Layer two mushrooms on each bun and top with garlicky roasted tomatoes.

Mix mango chutney, Dijon mustard, chili powder, and reduced-fat sour cream into ground turkey to make moist and zingy broiled turkey burgers. The patties can be formed ahead of time and frozen for up to two months so you can indulge in a lunchtime burger whenever the mood strikes.

To make the pickled vegetable topping for this "dragged through the garden" Chicago dog, marinate sweet onion, cucumber, tomato, celery leaves, and sport peppers in grainy mustard and white-wine vinegar. To be truly authentic, serve these on poppy-seed hot dog buns.

These mini cheeseburgers will be a big hit with kids and grown-ups alike. Press a dill pickle slice into each patty before broiling, and serve on buns brushed with shallot butter.

Mix ground chuck with bulgur wheat and mashed chickpeas to make lighter -- and budget-friendly -- patties. Fresh mint, sliced cucumber, and a yogurt-feta cheese dressing give these satisfying burgers a Mediterranean accent.

Sweet sauteed bell peppers and onions top sweet or spicy Italian turkey sausage. Serve the sausages on hoagie rolls or crusty French bread, topped with mustard if desired.

Season fresh ground yellowfin tuna with garlic, ginger, and lemon zest to make these Asian-inspired burgers. Top the pan-seared patties with fresh and tangy napa cabbage slaw.

Flavored with fennel seeds, these pork burgers are reminiscent of sweet Italian sausage. Grill sliced onion and red and yellow bell peppers in a foil packet and serve on the mozzarella-topped burgers.

Choose ground beef chuck with at least 20 percent fat to create the ultimate grilled hamburger. The only seasoning these patties need is a generous sprinkling of salt and pepper.

Ground dark-meat chicken makes a burger that's just as juicy and tasty as one made with beef. Sauteed onion, orange bell pepper, and celery add texture and savory-sweet flavor to the burgers.

Fully loaded with meaty chili, creamy coleslaw, and chopped onions, these beef hot dogs are a lunchtime treat. Enjoy them next time you have leftover chili.

Kidney beans and rice are blended with ginger, garlic, carrot, broccoli, and cilantro to make these mini burgers inspired by Vietnamese banh mi sandwiches. Serve the pan-fried patties on whole-wheat rolls with chili mayonnaise, red onion, and sliced mango.

Combine chopped dill pickle, red bell pepper, and cucumber to make a sweet and zesty topping for chicken sausages. Saute the sausages with honey to give them a sweet, caramelized glaze.

These old-fashioned diner-style burgers are made by flattening ground chuck into thin patties with a rolling pin. Serve them with American or cheddar cheese on buttered, broiled hamburger buns.

Madras curry powder gives a flavorful kick to ground lamb patties. Stuff the grilled burgers into pita pockets with cucumber-yogurt sauce and tomato-parsley salad.

These quick sloppy joes combine sauteed onion and ground sirloin with lightly seasoned tomato puree. Make them on party-size potato rolls for an easy lunch that kids will love.

Lean turkey burgers dance with flavor when topped with marinated red onions, pickled jalapenos, cilantro, and mashed avocado. This recipe is also delicious when prepared with chicken breasts or sliced deli turkey.

Bulgur wheat, canned pinto beans, grated carrots, and Swiss cheese make a hearty meatless burger. Pan-fry the patties in olive oil and serve on buns with avocado and sliced tomatoes.