Betty Crocker Cake Mix or Brownies for $.75 at the Dollar General! Posted by Harbor Master on 6 November 2017, 7:31 pm Tweet expired Betty Crocker Cake Mix or Brownie mix 15.25-16.25 oz. is priced at $1. Buy two for $2 and use the $.50 off two coupon below and pay $1.50 for two or $.75 each. Click here to print $.50 off any Two any flavor/variety Betty Crocker Baking Mix OR Frosting