Heart of a Chef, an annual fundraiser for the Florida Heart Research Institute, is 3-7 p.m. Sunday at Fairchild Tropical Botanic Garden, 10901 Old Cutler Rd., Coral Gables, with a 6 p.m. cook-off between chefs Todd Erickson of Haven South Beach and Aaron Brooks of Edge Steak & Bar. Also on tap: a vegan cooking demonstration by Ellen Kanner, Herald Edgy Veggie columnist and author of Feeding the Hungry Ghost. Tickets — $30 in advance, $40 at the door — admit one adult and two children; heartofachef.org.
An invasive-species dinner featuring lion fish, wild boar, snakehead fish and python dishes by chefs Julie Frans (Essensia), Todd Erickson (Haven) and Kris Wessel (Florida Cookery) is the big draw at the Fertile Earth Foundation’s second annual Underground Miami fundraiser. Tickets for the 7-10 p.m. Tuesday event at The Palms Hotel, 3025 Collins Ave., Miami Beach, are $75, $125 VIP at fertileearth.org.