The Arizona Hemophilia Association cranks up the heat as professional and amateur chefs prepare the hot – and mild – stuff on-site at the annual My Nana’s Best-Tasting Salsa Challenge. A margarita mix-off, live music and children’s activities add to the festivities.10 a.m.-6 p.m. $12 in advance; $15 at the gate. Sloan Park, 2330 W. Rio Salado Pkwy., Mesa, salsachallenge.com, 602-955-3947.