In a medium bowl, toss cheese with cornstarch until coated and set aside.

In a medium, heavy bottomed saucepan set over medium heat, stir together beer, milk, dry mustard, garlic powder, turmeric, and Worcestershire sauce until simmering.

Lower heat to low and add cheddar cheese, and cream cheese, stirring until completely melted, bubbling slightly, and thickened. Stir in sriracha and season with salt to taste; serve immediately.