Ingredients

• 2 tablespoons butter
  
• 1 medium onion, finely chopped
  
• 1 medium carrot, finely chopped
  
• 1 stalk celery, finely chopped
  
• 2 green onions, thinly sliced
  
• 1/4 cup all-purpose flour
  
• 1/2 teaspoon dry mustard
  
• 4 cups chicken broth or reduced-sodium chicken broth
  
• 1 cup dark ale or beer
  
• 1 cup whipping cream
  
• 2 medium potatoes, peeled and cut into 1/2-inch cubes
  
• 1 cup shredded sharp cheddar cheese at room temperature (4 ounces)
  
• 1 cup shredded white cheddar cheese at room temperature (4 ounces)
  
• 1/4 cup grated Parmesan or Romano cheese
  
• 1/4 teaspoon bottled hot-pepper sauce
  
• 1/4 teaspoon Worcestershire sauce