This quick and delicious orange ceviche is a complete yet light meal, perfect when you're not overly hungry. It features white fish marinated in citrus juices, combined with fresh fruits and vegetables.
Cut the fish into small cubes and place them in the fresh orange juice and lemon juice to marinate for 20 minutes. While the fish marinates, finely dice the red onion, cut the mango and avocado into cubes, and peel and segment the remaining orange. Finally, combine all the marinated fish, diced onion, mango, avocado, and orange segments. Add a pinch of salt and pepper flakes. Serve immediately with rice tostadas.