Cheese Soup

Ingredients

• 1 small onion, coarsely chopped
• 1 small green pepper, coarsely chopped
• 2 celery ribs, cut into small pieces
• 2 carrots, cut into small pieces
• 14 cup butter
• 14 cup flour
• 3 12 cups canned chicken broth
• 3 cups cheddar cheese, grated
• 1 12 cups milk
• 2 tablespoons sherry wine (optional)
• 12 teaspoon salt
• 14 teaspoon pepper
• parsley, for garnish
• beer, at room temperature