Step 1. Cut the fillet into cubes.
Step 2. Place the fish in a bowl, add lime juice and orange juice, and season with pepper.
Step 3. Let rest for at least 8 hours in the refrigerator.
Step 4. Add ½ cup onion and ½ cup red bell pepper inside the Ranchitas package.
Step 5. Mix the ingredients.
Step 6. Add the fish cubes and finely chopped cilantro to the package.
Step 7. Serve with lime to taste.