Shrimp Salad Stuffed Avocados

1/2 pound cooked medium shrimp, peeled and deveined, coarsely chopped
1/2 cup chopped celery
1/4 cup chopped red onion
3 tablespoons mayonnaise
5 teaspoons capers, drained
2 tablespoon minced fresh parsley
2 teaspoons Dijon mustard
2 teaspoons lemon juice
1 teaspoon dried tarragon
1/4 teaspoon seasoned salt
1/4 teaspoon fresh cracked pepper
2 medium ripe avocados, halved and pitted
OPTIONAL - Shredded cheddar cheese for garnish

In a small bowl, combine the first 11 ingredients. Spoon into avocado halves. Serve immediately. Yield: 4 servings.