1 1/2 cups leftover lasagna filling
1/2 cup frozen corn kernels
1 green bell pepper, seeded and chopped
1/2 cup ketchup
1 tablespoon Dijon mustard
1 tablespoon chili powder
2 teaspoons dried basil
1/8 teaspoon cayenne pepper
4 Kaiser rolls, halved
Spoon lasagna filling into a large saucepan. Add corn, green pepper, ketchup, Dijon, chili powder, basil, and cayenne pepper and bring mixture to a simmer. Cook 5 to 7 minutes, until green pepper is soft and mixture is heated through.
Spoon mixture onto rolls and serve hot.