Ham and Potato Soup

Ingredients
3/4 cup and 2 tablespoons peeled and diced potatoes
1 tablespoon and 1 teaspoon diced celery
1 tablespoon and 1 teaspoon finely chopped onion
3 tablespoons diced cooked ham
3/4 cup and 1 tablespoon water
1-1/2 teaspoons chicken bouillon granules
1/8 teaspoon salt, or to taste
1/4 teaspoon ground white or black pepper, or to taste
1 tablespoon and 3/4 teaspoon butter
1 tablespoon and 3/4 teaspoon all-purpose flour
1/2 cup milk

Preparation
Combine the potatoes, celery, onion, ham and water in a stockpot. Bring to a boil, then cook over medium heat until potatoes are tender, about 10 to 15 minutes. Stir in the chicken bouillon, salt and pepper. In a separate saucepan, melt butter over medium-low heat. Whisk in flour with a fork, and cook, stirring constantly until thick, about 1 minute. Slowly stir in milk as not to allow lumps to form until all of the milk has been added. Continue stirring over medium-low heat until thick, 4 to 5 minutes. Stir the milk mixture into the stockpot, and cook soup until heated through. Serve immediately.