tuercadilla
noun: a hot snack consisting of peanut butter grilled between tortillas. from a riff on "quesadilla" where "queso" + "tortilla" = "cheese grilled in a tortilla" and "tuerca" + "tortilla" = "nut (butter) grilled in a tortilla"
A tuercadilla, made with spicy peanut butter, is the ideal midnight snack.