Easy Beer Cheese Soup

Ingredients

• 3/4 cup butter, cubed
• 3/4 cup all-purpose flour
• 1 bottle (12 ounces) light beer
• 4 cups chicken or vegetable stock, divided
• 2 teaspoons Worcestershire sauce
• 1 teaspoon ground mustard
• 1/2 teaspoon salt
• 1/4 teaspoon pepper
• 1/4 teaspoon cayenne pepper
• 4 cups shredded cheddar cheese
• Optional: Bread bowls, crumbled bacon and shredded cheddar cheese