Recipe : Beer Cheese Soup VI

Ingredients
2 tablespoons butter
1 cup chopped celery
1 cup chopped carrots
1 cup chopped onion
3 (14.5 ounce) cans chicken broth
8 ounces shredded Cheddar cheese
1/2 cup all-purpose flour
1/2 teaspoon prepared Dijon-style mustard
1 (12 fluid ounce) can or bottle beer

Directions
In a medium pot over medium heat, melt butter. Cook celery, carrots and onion in butter 5 minutes. Pour in chicken broth and bring to a boil; reduce heat and simmer 20 minutes. Puree mixture in a blender or food processor or using an immersion blender. Return to pot over medium heat.
Toss Cheddar with flour and stir, a little at a time, into the pot, until fully incorporated and melted. Season with mustard. Stir in beer to achieve desired thickness just before serving.