Ingredients

1 large onion, quartered2 to 4 serrano peppers, seeded and coarsely chopped2 medium cucumbers, peeled, quartered and seeds removed2 large tomatoes, cut into chunks6 green onions, coarsely chopped (about 3/4 cup)2 pounds peeled and deveined cooked shrimp (26-30 per pound)3/4 cup lime juice1/2 teaspoon salt1/4 teaspoon pepperTortilla chips or tostada shells

Preparation

Place onion and peppers in a food processor; pulse until very finely chopped. Transfer to a large bowl. Place cucumbers, tomatoes and green onions in food processor; pulse until finely chopped. Add to bowl.

Place shrimp in food processor; pulse until chopped. Add shrimp, lime juice, salt and pepper to vegetable mixture; toss to coat. Refrigerate until cold. Serve with tortilla chips or tostada shells.