Beer Cheese Dip - WPTF-AM

Ingredients

• 1/4 cup unsalted butter
• 1/2 cup finely chopped yellow onion
• 1/4 cup all-purpose flour
• 1 (12-oz.) can IPA beer
• 1/4 cup half-and-half
• 6 oz. shredded fontina cheese
• 6 oz. shredded sharp yellow cheddar cheese
• 1 tsp. dijon mustard
• 1/2 tsp. Worcestershire sauce
• Chopped chives and/or black pepper, for garnish
• Pretzels, to serve