Did you know that the chocolate chip cookie was a serendipitous discovery? When Ruth Wakefield, owner of the Toll House Inn, ran out of baker’s chocolate, she tossed some semi-sweet chocolate chunks into the batter, hoping they would melt while cooking. Instead of chocolate cookies, what came out of the oven was a delicious surprise, and chocolate chip cookies were born! The design for my Denim Pinwheel Quilt was just such a happy accident. We had just gotten in Robert Kaufman’s Railroad De...