For meat, try thinly-sliced steak, pulled pork, or shredded chicken breast. For vegetables, try sliced bell peppers, mushrooms, onions, or corn. For beans, try black beans or pinto beans.

Any of the following non-aged cheeses: Asiago, Gouda Colby or Cheddar Fontina, Gruyère, or Havarti Monterey Jack or Mozzarella Parmesan or Provolone Romano or Queso Oaxaca

Goat cheese Feta cheese Fromage blanc Ricotta

Fresh vegetables: baby arugula, baby spinach, chilies, or diced tomatoes. Cooked vegetables: chilies, diced eggplant, roasted bell peppers, and sliced mushrooms. Canned vegetables: Black beans, black olives (sliced), chilies, corn, pinto beans, and sun-dried tomatoes.

Shredded chicken breast Pulled pork Shrimp Sliced steak

Give your quesadilla a spicy kick with some crushed red pepper flakes or chopped smoked paprika. Add some chopped fresh herbs, such as: basil, chives, cilantro, mint, oregano, parsley, tarragon, or thyme. You can also try adding some green onions. Chop up and sauté some garlic, leeks, onions, scallions, or shallots.

For a classic quesadilla, mix equal parts of cheese and shredded chicken breast. For a south-western twist, add black beans and corn salsa to your cheese. Make a barbecue chicken quesadilla by tossing some shredded chicken breast with some barbeque sauce. For the cheese, try using Monterey Jack. If you love bacon, try adding some chopped up fried bacon and a few jalapeño slices. For the cheese, try using Cheddar.

Salsa or pico de gallo Guacamole Sour cream Sliced green onion