Beer Soup with Cheese

Ingredients

• 2 medium leeks, diced
• 2 carrots, diced
• 2 celery stalks, diced
• 2 teaspoons finely chopped garlic
• 1 bay leaf
• 1/4 cup butter
• 1/3 cup flour
• 2 cups whole milk
• 1 1/2 cups chicken stock
• 1 bottle beer (not dark)
• 1 tablespoon Worcestershire sauce
• 1 teaspoon mustard powder
• 1 teaspoon salt
• 1 /4 teaspoon ground black pepper
• 1 pound grated aged cheddar cheese
• 3 1/2 ounces bacon, chopped and fried