In a bowl, mix lamb, onion, soy, mustard, celery seed, dill seed and parsley. Shape 8 patties, each 4" wide; place egg and olives equally in center of 4. Pinch remaining patties on top to seal. On a rack in a broiler pan, broil 4" from heat until down to your taste, about 5 minutes a side for medium. Fill bread equally with meat, spinach, cucumber, and sauce. Per serving: 628 calories; 41 grams protein; 30 grams fat; (10 grams saturated fat); 48 grams carbohydrates; 1,420 milligrams sodium; 207 milligrams cholesterol. *** SAUCE *** Mix yogurt, bacon and sunflower seed. ~ Barbara Keenan, Fort Morgan, Colorado.