Papas Rellenas Dec 31, 1999 INGREDIENTS:Red Onion Garnish: 1 ½ cups lime juice 1 ½ tsp. aji amarilo (Peruvian hot yellow pepper, sold in jars or frozen whole) 1 ½ tsp. sugar 4 ½ cups red onions, very thinly sliced as needed, saltPicadillo: 1 ¼...