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Mar 28, 2008 11:05 PM

Can I swirl peanut butter into a brownie mix?


I often "cheat" by using brownie mixes (usually betty crocker) and mixing my own stuff in there (coffee, various nuts and chips, fresh mint). Could I swirl some peanut butter into the batter? Would I have to adjust the baking temp/time or mix something into the peanut butter before attempting this?


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  1. Certainly, yes. If you want to get fancy with it, pipe stripes of peanut butter across the top of the batter, then swipe a knife through it going in alternating directions perpendicular to the peanut butter. You'll end up with lovely professional looking brownies, and friends asking "Wow, where did you get these?" You can do the same thing with raspberry jam or melted white chocolate to a very nice effect as well.

    1. i've seen plenty of people who will blend it with cream cheese, and do the "top 'o the brownie" deal -- but stirring into the entire batter i haven't done. would be an added fat, so take it into account. (maybe i would add another egg? a tad more milk? -- and check at the regular time for doneness....) there are better bakers than i on this board -- for darn sure --- so i'm sure they'll help out!

      ps, no shame in "cheating" -- i love duncan hines mix with choc chips and nuts added!

      1 Reply
      1. re: alkapal

        I HAVE done the swirling into the brownie batter, and I wouldn't recommend adding anything else to the basic brownie, or your result will not be a brownie.

      2. You can probably do something along there lines w/ Ina's pb swirled brownies:

        I make pb swirled brownies with a peanut butter battter. I don't use a brownie mix but this blog recipe would be perfect for you:


        1. I just had this same craving last week. I think it turned out pretty well.

          3 oz cream cheese, softened
          1/3 cup peanut butter
          1/4 sugar (I used powered sugar, but I bet you could use granulated)
          1 egg
          1 tsp vanilla

          I put the PB in the microwave for a few seconds to soften it up a bit. Then just mixed everything by hand. I put dollops of it on top of the brownie batter and then swirled it in with a knife.
          Obviously, make the brownies according to the package instructions. Personally, I used a pan that is about 9x10...or something. So, they were pretty thick and yummy. I'm not sure how it would work in a 9x13 or 8x8.

          They turned out really well. But by the 4th day, they were a bit greasy. I know, a pan of brownies lasted for 4 days, pretty amazing. :) But there are just 2 of us.

          1. would anyone know about a reese's cup-tasting brownie (without using the candy)?

            3 Replies
            1. re: alkapal

              From Gourmet magazine, these are amazing but it's not a chocolate brownie:


              1. re: alkapal

                Make your favorite brownie base, and either drop the following peanut batter in globs on top and swirl, or layer 1/2 brownie batter, pb mixture, remaining brownie batter; bake.

                Mock Reese's Peanut Butter Filling

                1 1/2 sticks margerine
                2 cups graham cracker crumbs
                12 oz peanut butter
                2 cups confectioners sugar

                Melt marg, blend in peanut butter, then crumbs; stir in sugar til well mixed.

                1. re: Emme

                  chowser and emme, THANKS to you both!!!