Tiff's Treats will open in the fall at 1221 E. SH 114, Ste. 150, Southlake. The business will sell warm cookies in flavors such as chocolate chip pecan, snickerdoodle, oatmeal raisin and peanut butter. Brownies and ice cream will also be sold. This year, the company will also open stores in Arlington and Lewisville. www.cookiedelivery.com