This refreshing summer avocado salad can be made ahead for you to enjoy with your main dish. Serve it as a first course, or simply add it to your main course as the salad. Don't forget to by your avocados early so they are fully ripened.
Peel and remove the pit of one avocado. Cut into 1/4 inch pieces and place in a medium bowl.
Wash and cut the strawberries into 1/4 inch pieces and add to the bowl with the avocado.
To the bowl, add the celery, mint, walnuts, lemon juice, olive oil, feta and salt.
To prepare the whole avocados, slice around with a knife and remove the pits. Fill each avocado half with the strawberry mixture. to keep the avocado from tipping, before filling the avocado, cut a small slice off the bottom.
Optional: Drizzle the avocados with balsamic vinegar.