Jalapeno Queso Fundido

Name: Jalapeno Queso Fundido
Ingredients: Canola oil; Zest of 1 lime; 3/4 teaspoon plus 1 pinch kosher salt; Twelve 6-inch corn tortillas, each cut into 6 wedges; 1 small onion, finely chopped; 1 small jalapeno pepper, seeded, if desired, and finely chopped; 1 plum tomato, seeded and finely chopped; 1/2 cup Mexican lager-style beer (such as Corona); 12 ounces muenster or Monterey Jack, grated (about 3 1/2 cups); 4 ounces sharp white Cheddar, grated (about 1 1/2 cups)