Ceviche

Ingredients

• 1 pound skinless, boneless fillets of fish such as bluefish, red snapper, mackerel or seafood such as bay scallops
• 7 tablespoons lime juice
• 1 cup peeled, seeded, fresh, red, ripe tomatoes cut into 1/4-inch cubes and drained
• 4 or more canned serrano chilies, drained and chopped
• 1/2 cup finely chopped red onions
• 1 tablespoon olive oil
• 2 teaspoons finely chopped fresh coriander
• 1/2 teaspoon crumbled dried oregano
• Salt to taste, if desired
• Freshly ground pepper to taste
• 1/2 cup avocado cut into small cubes
• 1/4 cup finely diced heart of celery
• 1/4 cup tomato ketchup
• Grated rind of one lime