Betty Crocker Peanut Butter Cookie Mix (21.6 oz. Fill each lined cupcake holder half way full with brownie mix. Since my family doesn't care for Raspberry Brownies I did my own version and substituted Peanut Butter. Prepare brownie mix as directed on the box. Betty Crocker brownies and dessert bars make it easy to turn an ordinary day into something special; From box to oven in less than 5 â¦ Total) (3 Pack) $19.95. Cool and then add frosting if desired. See and discover other items: brownie mixes, peanut butter cookies, betty crocker cookie, Betty Crocker Cookies, Blondie Brownies Disclaimer : While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Store tightly covered. This is adapted from the back of the Betty Crocker Brownie mix box. Add a peanut butter cup to the cupcake holder. Betty Crocker Delights Brownie Mix Supreme Chocolate Chunk 18.0 oz Box (pack of 6) ... To cut warm brownies, use a plastic knife and short sawing motions. Pour more brownie mix on top of the peanut butter cup. Bake at 350 degrees for about 25 minutes, or until a toothpick comes out clean. We prefer the Dark Chocolate brownie mix but it can be used on the Fudge type also. $15.96. Just 5 minutes from bowl to oven, Betty Crocker Delights Peanut Butter Cookie Brownie Bar Mix is perfect for every sweet occasion. Betty Crocker Peanut Butter Cookie Mix - 17.5 oz - 3 pk 4.1 out of 5 stars 16.