Well anyone who's interested (for serious) can learn how to grow a good looking AND functional vegetable garden here:
Vegetable Gardening in Florida Series - Gardening Solutions - University of Florida, Institute of Food and Agricultural Sciences
and regardless of the law, the deed restrictions still do allow you to have potted plants. You can grow small quantities of edible plants in decorative pots, the same website has a page dedicated to it here:
Harvest as You Grow Container Gardening - Gardening Solutions - University of Florida, Institute of Food and Agricultural Sciences
While some might catch a complaint from a neighbor if it was growing in the flower bed on the front lawn, I'm thinking a sunny spot on the lanai wouldn't violate anything at all for a pot containing a grape tomato plant, and a couple of flowering basil plants growing in pots beside it.