Chocolate Chip Cookie Bars with Incredibly Long Lasting Chewiness

Chocolate Chip Cookie Bars with Incredibly Long Lasting ChewinessLast week I baked some delicious, soft and chewy Chocolate Chip Cookie Bars, but  I didn’t post a recipe. I was busy having weather related adventures. They were small and mild adventures compared to what others endured when the extreme cold and snow in the Midwest caused loss of power and burst pipes for many people. My experiences were the kind that in retrospect you just shake your head and smile about but don’t wish to repeat.

My son needed to be back at college in Chicago last Sunday. The winter quarter was supposed to start on Monday. We made a last minute decision to leave St. Louis a day early to avoid the impending snow storm. Packing was a bit rushed, but  I made sure to wrap up a care package of Chocolate Chip Cookie Bars and some extras for the road. The drive was clear and easy. Flurries began only in the last hour of our drive. Chicago had quite a bit of accumulation from previous snowfalls but the roads were well maintained. My son’s housing was not open until the next day so he stayed with me at the hotel near campus.

Chocolate Chip Cookie Bars with Incredibly Long Lasting ChewinessAdventure number 1. We decided to walk to a near by restaurant for dinner. The temperatures were dropping rapidly but weren’t crazy low yet. As we navigated the piles of snow along the curbs and sidewalks, I casually mentioned to my son that he might want to wear his snow boots (rather than athletic shoes) the next time we went out. He gave me a deer in the headlights stare. Guess what he forgot to bring back to Chicago? A quick call home confirmed that his boots were sitting in our St. Louis laundry room. All was made well the next morning when our first order of business was buying new boots. We were beyond lucky to find a wonderfully warm and comfortable pair in his size at a nearby sporting goods store. It was the only pair in the store in his size and was on hold for someone else. When the sales clerk called and found out that the hold customer no longer wanted the boots, we grabbed them. Even bigger silver lining was that the boots were on sale!

Chocolate Chip Cookie Bars with Incredibly Long Lasting ChewinessAdventure number 2. The wind chill temperatures for the next few days were absurd. Temperatures were in the negative teens with wind chill as low as -48! We bundled up and braved the snow to move my son back into his room and make the requisite trips to the supermarket and Trader Joes to stock up for the next few weeks. While we were running errands, the snow and ice were piling up on the highway that was supposed to be my route home the next day. Time for plan B. I would stay an extra day in an attempt to give the Department of Transportation time to clear the roads.

Chocolate Chip Cookie Bars with Incredibly Long Lasting ChewinessEven though my son’s classes were cancelled Monday, it was too cold and snowy to go out. We got together for dinner then I went back to the hotel. I planned to get a good night’s rest before what I anticipated to be a longer than usual drive the next day. At 2 am I woke up to the sound of fire alarms. My first thought was that I had done something by leaving the Keurig coffee maker plugged in. Nope. It was the hallway alarms going off. I grabbed my boots, coat, and purse and joined the rest of the pajama-clad hotel guests moving rapidly down the stairs to the lobby. There were no signs of fire or smoke so everyone was relatively calm. The hotel clerk urged us to go outside. Stupidly or not, everyone decided to hang out in the lobby rather than brave the dangerously low temperatures outside. The fire department arrived, checked things out, and sent everyone back to their rooms. An excess of adrenalin made my planned good night’s sleep impossible, but thankfully this adventure had been only a scare rather than a disaster.

Chocolate Chip Cookie Bars with Incredibly Long Lasting ChewinessAdventure 3. I left the hotel Tuesday morning. The temperature was still crazy low. When I went to get my car in the adjacent garage, I was told that the elevator closest to my car was not working and was directed to a different elevator.  I pressed the button for the third floor. The elevator went to the second floor and stopped. The door didn’t open, the elevator just stopped. Before I could panic, someone on the second floor pressed the outer button. The doors opened and we went back down to the main level. If I hadn’t had 2-in-the-morning-fire-alarm-brain, I might have gotten out of the elevator and walked up to the third floor. Instead, I tried it again. When the elevator froze on the second floor again, I did have time to panic. It was only a moment or two but visions of freezing to death trapped in the elevator did cross my mind. After a few attempts at pressing the open door button, the doors responded. This time I found the stairs.

Chocolate Chip Cookie Bars with Incredibly Long Lasting ChewinessAdventure 4. Safely in my car, I headed out of Chicago on surprisingly cleared roads well coated with salt or brine or whatever they use. It was just past rush hour, the sun shining brilliantly, as I made my way down Lake Shore Drive. The sludge from the road sprayed onto the windshield. Not wanting to use up my windshield washer fluid too quickly, I waited until I really needed to clear the glass before pressing the button. Nothing happened. As more sludge and sun glare made visibility minimal, I pulled off at the first exit, Michigan Avenue. For anyone not familiar with Chicago, we are talking the very center of a very big city, not a place where pulling off to the side is easy. Again, I was lucky. I found an illegal spot to pull over on a one-way side street, poured washer fluid with antifreeze on the sprayer nozzles (still nothing), then called AAA. All circuits were busy. I called the nearest Honda dealer who referred me to another towing service. All circuits were busy. While attempting all those calls, the antifreeze did its work. Suddenly the sprayers were working again! I headed out. Three hundred miles (and 8 hours) of some questionably passable highway later, I was home.

Chocolate Chip Cookie Bars with Incredibly Long Lasting ChewinessAfter that catalog of adventures, you probably don’t even remember the Chocolate Chip Cookie Bars with Incredibly Long Lasting Chewiness I mentioned. They are worth remembering.  These bars were chewy when I got home 5 days after they were baked and they still taste wonderful today, 5 additional days later. I think one of the secrets to their long lasting chewiness is the marshmallows which melt completely during baking leaving only chewy texture behind. These Chocolate Chip Bars are a fast and easy cookie bar to throw together, no electric mixer required. For mailing times more than 10 days, leaving the bars uncut will help them retain moisture and remain chewy even longer.

Chocolate Chip Cookie Bars with Incredibly Long Lasting Chewiness

Chocolate Chip Cookie Bars with Incredibly Long Lasting Chewiness
Adapted from: King Arthur Flour
Makes: 1- 8”x 8” or 9”x 9” pan (about 16 bars)
  • ½ cup unsalted butter, melted
  • 1 cup brown sugar (I prefer dark brown), packed
  • ½ teaspoon salt
  • 1 ½ teaspoons vanilla extract
  • 2 large eggs
  • 1 ½ cups all-purpose flour
  • 1 ½ teaspoons baking powder
  • 1 cup toffee bits
  • ½ cup chocolate chips
  • 1 cup mini-marshmallows
  1. Preheat oven to 350 degrees F. Lightly grease a 8” x 8” or 9”x 9” baking pan with butter or non-stick spray.
  2. In a medium size mixing bowl, melt butter in the microwave.
  3. Mix in sugar, salt, and vanilla.
  4. Beat in eggs, one at a time.
  5. Add flour and baking powder and stir until combined.
  6. Fold in toffee, chocolate chips, and mini marshmallows.
  7. Spread batter evenly into prepared pan.
  8. Bake for 20-25 minutes until golden brown.
  9. Cool completely before cutting.
  10. Store bars in an airtight container at room temperature for up to 10 days.
Packing tips
Mailing these bars uncut in a disposable pan will keep them moist and chewy longer and make them sturdier for shipping. If mailing cut bars, place a small piece of wax paper between pairs of bars and double wrap in plastic wrap. Place wrapped bars in an airtight container.


  1. says

    WENDY! Now obviously i knew some of this massive story, but not all the crazy, intense details! Totally something you can look back on as an adventure, but definitely not something which would be fun to go through again. i’m happy you and your son made it there in once piece and that you made it back safely. Good for you for keeping your head!
    these bars look delicious. like, incredibly soft and perfect. I’m an emotional eater (aren’t we all, really), and had I gone through all of those adventures up there? That pan – that whole pan – would be mine. :)

    • says

      Thanks for the vote of confidence, Shannon, but I think there was more luck or automatic pilot than keeping my head! I will admit to some momentary tears on the corner of Wabash and Madison, but I was surprisingly not hysterical for the rest of the adventures….terrified of going off the road on the way home, gripping the wheel until my knuckles turned white, but not hysterical. :) I was wishing I had a few of these bars on the way home, but by the time I made it home, all I wanted was a glass of wine and bed! I had no idea when I originally made these that they would stay chewy for so long, however, I have been enjoying that happy discovery ever since!

  2. says

    Oh my gosh Wendy! Those are definitely quite a few adventures – to put it mildly! I would have totally panicked big time in the elevator … I am slightly terrified (for whatever) reason of getting stuck in one! And these bars do sound delicious – I love baked goods that are chewy!

    • says

      Luckily, Ashley, they were all adventures that turned out fine! Blog material. :) You know the saying about bad luck coming in threes? I was actually relieved that three things happened before I started out on the snowy/icy highway!!
      As for these bars, if you like chewy you will love these bars!

  3. says

    I am soooo sorry Wendy. That sounds like an exhausting trip. I thought you were going to say you ate these in the car and that’s what sustained you on the long trip home! These sound great and are absolutely beautiful. The marshmallow things is really, really cool!

    • says

      Thanks, Tricia! I called the trip an adventure because, really, if all turns out fine in the end, its just a “character building” experience. :) I left all of the baked goodies in Chicago with my son…so its a good thing I didn’t get stranded in an I55 snowdrift with no sustenance! I hadn’t expected that the bars at home would still be chewy when I returned! I am going to try adding marshmallow to some other bars and see what happens. I feel a bit like Willy Wonka with his Everlasting Gobstoppers. :)

  4. Joy @ Yesterfood says

    Wendy, you certainly had your share of adventures for a while- thank goodness you had these incredible bars to come home to! I am pinning these to bake- how can you NOT make a cookie bar with that kind of a name?? ♥

    • says

      Thanks, Joy! I hope you enjoy yours with less drama than I had! :) I pondered for a long time how to communicate in a name what these bars could do. I ended up going the direct, just-say-it route! :)

  5. says

    Holy cow – what a whole lot of “adventures” you had, Wendy! We stayed at a hotel in Boston once where the same thing happened to us. False alarm so can’t complain but all I wanted to do was go home! I’m glad you’re home safely back now and hopefully, your son is warm and settled into a routine at school. I started out being very curious about how these were so incredibly chewy and then I forgot…but I’m glad to learn about the marshmallows! What a neat trick. Thanks for sharing!

    • says

      Every time I would close a hotel door and see the posted emergency map I always wondered what would happen if the fire alarms really did go off. Hmmm. Now I know. Even false alarms that we can be thankful for, are no fun.
      Yes, thanks, my son is busily ensconced in 2nd quarter. His courses are so condensed (9weeks) that he is practically ready for midterms!
      The marshmallow theory for chewiness is just a guess at this point(though it makes the most sense as an explanation to me) but I have plans to test it out soon. :)

  6. says

    Holy cow, Wendy! I think you must have an angel on your shoulder….for as quickly as you were in one predicament….you were out of it. (Ok…and then on the next one …but still!) You deserve a vacation after that. If it happened to me….I’d be content with a batch of these beauties! What a great idea…that melted marshmallow to add to the chewy texture! : )

    • says

      Thanks, Anne! I was very happy to realize there were a few of these bars left at home when I returned. After my 8 1/2 hour drive home, it turns out that these are also quite good with a glass of wine. 😉

    • says

      Thanks, Allie! I may be a bit of a drama queen, but it was a series of ridiculous events. :) I am an expert at comfort nibbling and these bars were just the thing to come home to! :)

  7. says

    What an adventure that was Wendy! Or rather, a series of adventures. I’m glad you made it home safely! What a long drive. I love chocolate chip cookie bars – even better than cookies and chewy is my favorite. These look awesome.


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