By Gail Johnson Whether they’re red, green, mild, or feverishly hot, peppers are a coveted B.C. crop. Capsicums grow from March or April to November in local greenhouses, while the season for Fraser Valley field peppers typically runs from July to October. Either way, we’re now in peak pepper season, and Metro Vancouver chefs are doing all sorts of creative things with the vividly coloured veggies. Burdock & Co 2702 Main Street, Vancouver Chef/owner Andrea Carlson has been committed to making “farm-to-table” fare before that became a restaurant-industry buzz phrase. She stuffs a delicate grilled leek with mushroom and the moderately spicy cayenne chili pepper, topping the toothsome dish with olive-oil emulsion and smoked walnuts. Di Beppe 8 West Cordova Street, Vancouver A hit on the cicchetti—small bites—menu  at this Italian restaurant is tuna conserva, or confit, the fish bathed in olive oil, with olive and pickled piparra peppers (say that 10…