From allrecipes.com

 

   Ingredients

   2 cups diced seeded watermelon

   1 avocado - peeled, pitted, and diced

   1/4 cup red onion, diced

   2 tablespoons lemon juice

   1/2 habanero pepper, seeded and minced

   1 1/2 teaspoons dried parsley

   1/4 teaspoon salt, or to taste

 

Directions

Combine watermelon, avocado, onion, lemon juice, habanero pepper, parsley, and salt together in a bowl; refrigerate until chilled, about 15 minutes.