Grapefruit & Avocado Salad
Brush 2 teaspoons lemon juice over flesh of avocados; set aside.
Add lemon juice, salt, and tarragon to the reserved grapefruit juice; season with pepper.
Whisk in olive oil in a slow, steady stream. Add grapefruit sections and toss gently.
Place each avocado half on a plate. Top with grapefruit mixture, dividing evenly.