Roasted Chicken Nachos With Green Chili-Cheese Sauce

Ingredients

• tomatillos

  husked and rinsed (or used canned if unavailable)
  4 medium
• jalapeños

  stemmed
  2 unit
• onion

  peeled and quartered
  1/2 medium
• garlic clove

  peeled
  2 unit
• handful fresh cilantro leaves

  coarsely chopped
  1 unit
• lime

  juiced
  1 unit
• toasted cumin seeds
  1 teaspoon
• Kosher (coarse or margarita) salt
  1 unit
• [60ml] (1/2 stick) unsalted butter
  1/4 cup
• all-purpose [60ml] flour
  1/4 cup
• chicken (480ml) stock

  at room temperature
  2 cups
• shredded (950ml) Monterey Jack cheese
  4 cups
• (1-pound) (450g) bag salted corn tortilla chips
  1 unit
• (3-pound) whole (1350g) roasted chicken

  meat finely shredded, skin and bones discarded
  1 unit
• (570ml) cherry tomatoes

  halved
  1 pint
• green onions

  white and green parts, chopped
  2 unit
• jalapeño

  chopped
  1 unit
• handfuls fresh cilantro leaves

  hand shredded
  2 unit
• limes

  juiced
  2 unit
• Kosher (coarse or margarita) salt and freshly ground black pepper
  1 unit
• Sour cream and guacamole

  for serving
  1 unit