4 Delicious Uses for Brownie Mix OU Kosher Staff August 9, 2018 Kosher.com gives us 4 brand new uses for that extra box of brownie mix in your pantry or cabinet. OU Kosher Staff Related Articles Consumer Kosher Articles Kosher Trends A Blintz Hack Consumer Kosher Articles Kosher Trends Passover Egg Crepes Industrial Kosher Articles Kosher Trends Creating a Kosher for Passover Certified Product