Potato and Corn Empanadas With Aji Recipe

Name: Potato and Corn Empanadas With Aji Recipe
Ingredients: 1 tablespoon vegetable oil; 1 medium onion, finely chopped (about 1 cup); 2 medium cloves garlic, finely chopped (about 2 teaspoons); 3 jalapeño peppers, seeded and finely chopped (about 3 tablespoon); 1 russet potato, peeled and cut into rough 1/4-inch cubes; 1 cup fresh corn kernels; 1 double batch pie dough; 1 egg, beaten; 3 scallions, roughly chopped; 1 small red onion, quartered; 1 tablespoon juice from 1 lime; 1 cup loosely packed cilantro leaves and tender stems; Kosher salt and cracked black pepper