Combine the first six ingredients in bowl. Stir to mix well. Taste and season with additional salt and pepper as need. Place bowl in refrigerator to chill.
Combine diced tomato and onion together. Toss with spoon to mix. Reserve.
To build salads or appetizer begin layering the ingredients using glass cups or ring mold
Place about ¼ of Avocado down as bottom layer.
Top with layer of yogurt mixture. Press gently but firmly.
Spoon tomato and on mixture on top. Press gently.
Garnish with left over cilantro
Serve with corn chips, toasted baguette or with a poached egg.