Thinsters Brownie Batter Cookies, Oven-Baked with Real Butter & Sugar, Non-GMO, No Artificial Ingredients, Corn Syrup, or Processed Oils, 4 oz (Pack of 1) Brownie Batter 4 Ounce (Pack of 1) is up for auction in Grocery & Gourmet Food. The current bid is $1.00, 78% below the $4.49 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.