3/4 cup toasted walnuts
1/3 cup plain dried breadcrumbs
3 cloves garlic, coarsely chopped
1 tablespoon minced jalapeno pepper
2 teaspoons ground cumin
2 teaspoons ground coriander
1/4 to 1/2 teaspoon crushed red pepper flakes
Coarse salt and freshly ground pepper
3/4 cup lentils, cooked, drained, and cooled
1/4 cup grated onion
4 tablespoons olive oil
1 large egg
4 large pitas
Yogurt-Cilantro Sauce, for serving
Sliced avocado, for serving
Cherry tomatoes, halved, for serving