Expanding its coffee competition with Dunkin' Donuts, Starbucks is set to begin selling single-serving K-Cups in November for the Keurig coffee maker.

Starbucks Corp.  .. (Nasdaq: SBUX) said Tuesday that it will be selling single-serving K-Cups for the Keurig coffee machine in grocery stores in November, signaling a challenge to Dunkin’ Brands Inc.  .. (Nasdaq: DNKN), which this month began selling K-Cups in Dunkin’ Donuts franchises only.

Made by Vermont-based Green Mountain Coffee Roasters Inc.  .. (Nasdaq: GMCR), Keurig coffee makers are common in workplaces, and are also found in relatively high concentration in homes in Dunkin’s core markets of New York and New England, Dunkin’ Brands said previously.

Starbucks had previously launched its own single-cup system, Starbucks VIA Ready Brew, and said in its news release the first-year sales for the products surpassed $200 million. The Seattle-based coffee giant said it is seeking to build its K-Cup venture into a $1 billion business.

Dunkin’ began selling K-Cups in its franchise stores in early August, supported by ads in television, radio, print, outdoor and digital media, the company said.

Boston Business Journal