Pupusas with Beans and Cheese | America's Test Kitchen

Ingredients

• 2 cups (8 ounces) masa harina
• 1 teaspoon table salt, divided
• 2 cups boiling water, plus extra water as needed
• 2 teaspoons vegetable oil, divided
• 1 (15-ounce) can kidney beans, rinsed
• 5 ounces Monterey Jack cheese, shredded (1¼ cups)
• 1/2 teaspoon ground cumin
• 1/2 teaspoon dried oregano
• 1/2 teaspoon table salt
• 1/8 teaspoon cayenne pepper