Queso Dip - Brennans Market

Ingredients

• 1 Tablespoon vegetable oil
• 3 Tablespoons minced onion
• 1 can chopped green chilis
• 2 Tablespoons flour
• 1/3 cup Amber Beer
• 1/4 lb Muenster, grated
• 1/4 lb Cheddar, grated
• handful chopped Cilantro