Step 1

Melt butter in a saucepan over medium heat. Add flour and constantly whisk until the mixture is smooth and bubbly, about 1-2 minutes.

Step 2

Slowly pour in beer while whisking continuously. Add milk, Worcestershire sauce, and garlic powder and continue whisking until the mixture is smooth, about 2-3 minutes.

Step 3

Remove from heat and whisk in shredded cheddar cheese until the cheese is melted and the mixture is smooth. Season with salt and pepper to taste.

Step 4

Serve with pretzels for dipping.