2 1/2 c. cooked lentils, drained (1 c. raw)
1/2 c. walnuts, finely chopped
2 c. fresh bread crumbs
4 egg whites
1/2 c. onion, finely chopped
2 tbsp. catsup
1/4 tsp. ground cloves
1/4 tsp. pepper
2 tbsp. sour cream or yogurt