Potato Soup

Potato Soup 3-5 large russet potatoes 1/2 c diced onion 1/2 c diced celery Peel potatoes and cube. Put potatoes, onion and celery into pot with just enough water to cover. Add kosher salt and pepper. Boil to tender. In separate pot mix and heat ( I micro butter and mix flour together before adding it to the pot) 1/2 c butter 1/2 c flour 3 c milk or cream 1 can cream of mushroom Heat until a little thick and add to potato mixture. Add a little milk or cream if too thick. Mix and let thicken a little more. Add 2 c sharp or mild cheddar cheese