This will bring back fond memories of childhood

Old Fashioned English Pea Soup

1/2 pound whole green peas
1/2 pound split green peas
1 Smoked ham shank -- uncooked
1 medium onion -- chopped
Salt and pepper to taste

The night before, soak the whole green peas in a large pot filled with
water. In the morning, the add split peas, ham, onion and seasonings 
 Bring to a boil and turn down to a low heat for 4 hours. Remove ham shank and serve soup.