Hot Cheese-Mustard Dipping Sauce

Ingredients

2 Tbsp. butter
2 1/2 Tbsp. all-purpose flour
1 cup to 1 1/4 cups milk
2 Tbsp. Spicy Mustard Hot Sauce
1 tsp. Worcestershire sauce
1/2 tsp. garlic powder
1 1/2 cups shredded sharp Cheddar cheese
1/2 cup shredded Monterey Jack cheese
1/4 tsp. salt
1/4 tsp. pepper
Soft pretzels

Instructions

1. Melt the butter in a sauce pan over medium heat. Add flour and cook, whisking constantly, 1 to 2 minutes or until smooth. (Do not brown flour.)
 
2. Add milk, Mustard Hot Sauce, Worcestershire sauce and garlic powder; cook, whisking constantly, until the mixture thickens, about five minutes.
 
3. Reduce heat to low and add cheeses, one half-cup at a time, stirring continuously until cheese has completely melted and sauce is smooth. Stir in additional Spicy Mustard Hot Sauce to taste.
 
4. Serve in a small slow cooker or fondue pot over low heat.