Corn Chowder

Melt butter in saucepan over medium heat. Add onion and celery and saute 5 minutes until soft but not brown. Add chicken broth, potatoes, corn, sugar, salt and pepper. Cover and simmer until potatoes are barely tender, about 30 minutes. Whisk flour into 1 cup of half & half. Stir into soup. Add remaining half & half and simmer until soup has thickened to creamy consistency, about 15 minutes. Season to taste with additional salt and pepper if needed. If too thick, add a little milk; if too thin, simmer 5 to 10 minutes more.