A quesadilla is basically a dressed up grilled cheese sandwich. They’re incredibly versatile. Scan your fridge for leftover cooked meats and diced vegetables, and you’re halfway there. This is my favorite way to make quesadillas:
Ingredients:
1 large boneless, skinless chicken breast
1/4 teaspoon creole seasoning, or to taste
2 tablespoons butter or margarine
4 large flour tortillas (burrito style)
1 cup [...]

I thawed out some chicken having no idea what I planned to do with it. Then I remembered the extra mushrooms I’d bought for the Terriyaki Scallop Stir Fry.
Ingredients:
4 boneless skinless chicken breasts
1/4 cup flour
1/8 teaspoon salt
1/8 teaspoon pepper
3 tablespoons butter
1 small onion, finely chopped
8 ounces crimini mushrooms, quartered
1/2 cup dry white wine
2 tablespoons corn [...]

I made a couple of these for the Groton Road Race this year. They didn’t last long!
Source: Simply Recipes
Ingredients
2 tablespoons smoked paprika
2 tablespoons honey
1 tablespoon lemon juice
1 tablespoon softened butter
2 teaspoons garlic salt (or 1 teaspoon salt plus 1 [...]

Source: About.com: Barbecues & Grilling
Ingredients
1/2 pound butter
1/2 can beer
2 tablespoons salt
2 tablespoons Worcestershire sauce
2 tablespoons Tabasco
1 tablespoon soy sauce
2 teaspoons garlic powder
2 teaspoons onion powder
Directions
Combine all ingredients in a sauce pan over a low heat. Stir and heat until salt is disolved and the sauce is even and runny. Keep warm (but not hot) to [...]

Source: Nabisco
Ingredients
4 tablespoons dijon mustard
2 tablespoons water or vegetable oil
1 teaspoon garlic powder
[...]