General Mills Inc.'s venture capital arm, 301 INC, said Tuesday that it will invest up to $20 million in Pots & Co., a London-based company that specializes in potted desserts. Now sold in U.K. supermarkets, the investment will help fund the company's growth strategy. Founded in 2012, Pots & Co. had $19.5 million in sales in 2020 and is known for the ceramic pots from Valencia, Spain in which its desserts are sold.