California’s JaM Cellars is extending its Butter brand with two new offerings, Butter Cab and Butter Bubbles. The California-sourced newcomers ($16 a 750-ml.) will debut this spring across retailers including Safeway, Albertsons, Target, Harris Teeter, Ralphs, and Total Wine. They join the flagship Butter Chardonnay, and are available nationwide. For more information, visit Jamcellars.com.