Shrimp Salad

1 pound medium-sized, cooked shrimp
1 small onion, minced
1 fire-roasted red pepper, chopped
1/2 cup celery, chopped
1/4 teaspoon salt
1/4 teaspoon pepper
1/4 teaspoon fresh ground nutmeg
1/3 cup avocado mayonnaise
1 tablespoon Dijon mustard

Mix well and serve over lettuce with a side of fresh tomatoes.