Nacho Burgers

Ingredients

• Salsa
• 3 tablespoons red wine vinegar
• 1 tablespoon vegetable oil
• 1 chipotle chile in adobo, seeded and minced
• 3 plum tomatoes, finely diced
• 2 tablespoons red onion, finely diced
• 3 tablespoons chopped cilantro
• Salt
• Cheese Sauce
• 1 tablespoon unsalted butter
• 1 tablespoon all-purpose flour
• 1 1/2 cups milk
• 1/2 pound Monterey Jack cheese, shredded
• 2 tablespoons freshly grated pecorino cheese
• Salt and freshly ground pepper
• Burgers
• 1 1/2 pounds ground beef chuck
• Vegetable oil, for brushing
• Salt and freshly ground pepper
• 4 hamburger buns, split and toasted
• Sliced pickled jalapenos and blue corn tortilla chips, for topping