Ceviche - cooking recipe

Ingredients

1 lb. whitefish fillets (raw)
juice of 1 lime
2 medium size tomatoes, peeled
2 green chilies, chopped
1 small onion, thinly sliced
1/4 tsp. oregano
3 sprigs cilantro, chopped
slices of 1 avocado
wedges of 1 tomato

Preparation

Cut uncooked fish into small pieces.
Add lime juice to cover fish; cover and refrigerate 3 to 4 hours, or until fish become opaque.
Stir occasionally.