2 c. cooked chicken
1 c. cooked peas
1/2 c. mayonnaise
1/3 c. finely chopped onion
1 (12 oz.) pkg. Jumbo shells, cooked & drained
1 can mushroom soup
1/2 c. water

Mix together the first 4 ingredients. Stuff shells. Arrange in single layer in baking dish. Stir water into soup. Pour over shells. Cover with foil. Bake at 325 degrees for 25 minutes.