To prepare a tacos de alambre recipe, you will first need to gather your ingredients. You will need: 1 pound (240 g) of chile relleno, 1/2 cup (120 ml) guacamole, 1 tablespoon (2.5 tbsp) lime juice, 2 tablespoons (60 milliliters) water, and 1 teaspoon salt. Toss the ingredients together and cook over medium-high heat until the cheese is melted. Remove from the heat and stir in the sour cream and cilantro. Serve immediately.