Corn Chowder - cooking recipe

Ingredients

3 medium-size potatoes (about 1 lb.), peeled and diced (2 1/2 c.)
1 c. water
1/2 c. chopped onion
1 (11 oz.) can kernel corn, drained
1 (8 3/4 oz.) can creamed corn
1 (12 oz.) can evaporated milk
1 Tbsp. butter or margarine
1/2 tsp. each salt and pepper
chili powder (for garnish)

Preparation

(Leftover ham or cooked seafood can be added for an even heartier meal.)