Elevate your “green” bean casserole or mac and cheese using cannabutter, THC extract or flower. Since marijuana was legalized in Colorado, edibles have become an increasingly popular choice for buyers. In fact, edibles — a category that includes infused gummies, chocolates, cookies, candies and even beverages — accounted for 13.9% of sales in Colorado between July 9 and Oct. 7 (the most of any state, according to analytics firm Headset). But you’re not just limited…