PR Newswire NAPA, Calif., Jan. 19, 2022 /PRNewswire/ -- JaM Cellars, the maker of Butter Chardonnay, announces the expansion of its popular Butter brand with the launch of two new wines—Butter Cab, California and Butter Bubbles, California. A bottle of Butter Chardonnay is sold on average every 3.3 seconds and continues to be the #2 best-selling chardonnay priced at $12+ in the U.S. (Nielsen Scan Data 2021). Butter Cab and Butter Bubbles are the first varietal extensions to t