In between Draft Horse performances at the Nevada County Fairgrounds, Sept. 20-23, visitors can take time to visit two tasty events happening on the grounds during the weekend ­— “Sausage, Brats and Beer” and the “Classic Barbecue Cook-Off.” On Sept. 22, there’s a “Sausage, Brats and Beer” showdown, in which six top chefs are paired with a sausage manufacturer to create incredible sausage dishes; you get to sample the results. The challenge begins at 1 p.m. with food sampling from 2-5 p.m. From 1:30-4 p.m. Sept. 23, watch as barbecue experts show off their cooking skills at the “Classic Barbecue …