Italian ?Meatball? Sandwich

Name: Italian ?Meatball? Sandwich
Ingredients: 1 Tbs. ground fennel; 1 tsp. ground cumin; 1 tsp. dried thyme; 1 tsp. celery seed; 1 tsp. dried oregano; 1/2 tsp. dried sage; 1/2 tsp. dried marjoram; 1/2 tsp. salt; 1/8 tsp. cayenne; 1/2 lb. button or cremini mushrooms; 2 Tbs. olive oil; 1 cup chopped onion; 1/2 cup chopped red bell pepper; 2 cups Seasoned Soybeans; 1 Tbs. fresh lemon juice; 1 Tbs. balsamic vinegar; 2 Tbs. tamari or soy sauce; 1 cup dry bread crumbs; 1/3 cup whole wheat flour; 6 whole wheat hero rolls; 2 cups prepared pasta sauce