The Ultimate Queso Dip

Ingredients

• 3 tablespoons butter
• 2 tablespoons all-purpose flour
• 1 cup half-and-half
• 1 teaspoon garlic salt
• 1/2 teaspoon onion powder
• 1/4 teaspoon chili powder
• 1 teaspoon ground cumin
• 1 cup Monterey Jack cheese, shredded
• 1 tablespoon fresh cilantro, chopped
• 1 serrano pepper, chopped