Fudgy Oatmeal Chocolate Chip Cookie Bars

I love oatmeal cookies. Add chocolate chips? Even better.

Make them as easy cookies bars with a layer of fudge in the middle? Better yet.

Fudgy Oatmeal Chocolate Chip Cookie Bars - Chewy bars with a thick layer of fudge in the middle! Whoa, hello chocolate overload!!

It’s been 10 months since I posted an oatmeal cookie recipe. Where does time go? Wow. It was the Soft and Chewy Oatmeal Coconut Chocolate Chip Cookies which turned out to be a personal and Pinterest favorite.

After 10 months of being oatmeal cookie-less, I was more than overdue.

Fudgy Oatmeal Chocolate Chip Cookie Bars - Chewy bars with a thick layer of fudge in the middle! Whoa, hello chocolate overload!!

I made bars rather than cookies because they’re faster, easier, and less fussy. Labor Day isn’t about laboring.

The bars are soft, chewy, and chock-full of texture. They’re hearty and packed with oats but aren’t overly crumbly or dry. I love oatmeal cookies that have as many oats packed in as possible, but often that means they lose softness and moistness, which isn’t the case with the bars.

Fudgy Oatmeal Chocolate Chip Cookie Bars - Chewy bars with a thick layer of fudge in the middle! Whoa, hello chocolate overload!!

I tweaked my trusty no-mixer, easy blondie base by adding old-fashioned whole-rolled oats. Don’t use instant or quick cook because they’re finer and behave more like flour, which would make the bars dry and crumbly.

The fudgy layer is made with melted chocolate chips and a half can of sweetened condensed milk. Make 7-Minute Microwave CaramelsPeanut Butter Cup Cookie Dough Crumble Bars, or Milky Way Chocolate Cookie Crumble Bars with the other half can.

Fudgy Oatmeal Chocolate Chip Cookie Bars - Chewy bars with a thick layer of fudge in the middle! Whoa, hello chocolate overload!!

After the bars came out of the oven, I sprinkled them with chocolate chips. Between the fudgy layer and the chips on top, the bars tamed my chocolate cravings. It’s smooth, rich, and a perfect contrast to the oats.

I promptly donated most of the pan to my neighbors. So much chocolate and way too good to keep around.

Fudgy Oatmeal Chocolate Chip Cookie Bars - Chewy bars with a thick layer of fudge in the middle! Whoa, hello chocolate overload!!

Fudgy Oatmeal Chocolate Chip Cookie Bars

The bars are soft, chewy, and chock-full of texture. They’re hearty and packed with oats but aren’t overly crumbly or dry. I tweaked my trusty no-mixer, easy blondie base by adding old-fashioned whole-rolled oats. Don’t use instant or quick cook because they’re finer and behave more like flour. The fudgy layer is made with melted chocolate chips and a half can of sweetened condensed milk (see links above in post for recipes that use the other half can). Between the fudgy layer and the chocolate chips on top, the bars will tame your chocolate cravings. It’s smooth, rich, and a perfect contrast to the oats.

Did you make this recipe?

Ingredients:

1/2 cup unsalted butter (1 stick), melted
1 large egg

1 cup light brown sugar, packed
1 tablespoon vanilla extract
1 1/2 cups old-fashioned whole-rolled oats (not quick cook or instant)
1 cup all-purpose flour
pinch salt, optional and to taste
1 cup semi-sweet chocolate chips, for batter
half of one 14-ounce can sweetened condensed milk (just eyeball it)
about 1/3 cup semi-sweet chocolate chips, for sprinkling

Directions:

  1. Preheat oven to 350F. Line an 8-by-8-inch baking pan with aluminum foil, spray with cooking spray; set aside.
  2. In a large, microwave-safe bowl melt the butter, about 1 minute on high power.
  3. Wait momentarily before adding the egg so you don’t scramble it. Add the egg, brown sugar, vanilla, and whisk until smooth.
  4. Add the oats, flour, and stir until just combined, don’t overmix.
  5. Turn three-quarters of the batter out into prepared pan, smoothing it with a spatula to form a crust; reserve remainder and set aside.
  6. In a medium microwave-safe bowl, add 1 cup chocolate chips, pour sweetened condensed milk over the top, and heat on high power until the chips melt and mixture can be stirred smooth, about 45 to 60 seconds.
  7. Evenly pour chocolate mixture over crust, smoothing the top lightly with a spatula. Work somewhat quickly because mixture begins to set up after a couple minutes.
  8. Evenly crumble the reserved oatmeal mixture over the chocolate layer. I find it easiest to make heaping 1-tablespoon-sized ‘blobs’, and after all the blobs are in the pan, smoosh and smooth them together with a spatula. The entire surface will not be covered and there will be some gaps.
  9. Bake for about 25 minutes, or until top is set; it should be very pale in color for soft bars; golden colored means bars will be crunchier.
  10. Evenly sprinkle bars with about 1/3 cup chocolate chips, or as desired. Chips will soften and melt slightly. Avoid jostling the pan because it will cause chips to melt more rather than stay intact. Set pan aside and allow bars to cool in pan for at least 1 hour before slicing and serving. Bars will keep airtight at room temperature for up to 1 week, or in the freezer for up to 6 months.
Only Eats

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99 comments on “Fudgy Oatmeal Chocolate Chip Cookie Bars”

  1. Normally I only like oats in oatmeal raisin cookies and I HATE them in chocolate chip cookies, but that layer of fudge has convinced me that oats might have a place in cookies.

    I’m sending this one to my mom!

  2. These look heavenly and extremely addictive. Pass me a fudgy bar!

  3. Considering I just looked through every cupboard, fridge, and freezer on the hunt for chocolate, it seems needless to say I want one of these bars now! I adore everything from the oatmeal to the chocolate to the fudgy middle. Pinned!

  4. Chocolate and oatmeal is one of my favorite combinations. The fact that they are in bar form makes me love it even more!

  5. That fudgy center is perfection, pinned!

  6. Yum! You can never, ever go wrong with chocolate and oatmeal!

  7. I am in love with that fudgy center!

  8. Oatmeal cookies are some of my faves, and that middle fudge layer is making me drool! Love it.

  9. Oh I love these so much! That thick layer of fudge in the middle? Absolute brilliance!

  10. I love keeping a batch of these cold in the freezer and I am totally craving some now, so I’ll have to make them soon. Great share, Averie!

  11. These Fudgy Oatmeal Chocolate Chip Cookie Bars look awesome, a must try, Pinned!

  12. Oh My…That chocolate layer looks divine!! Wish I could reach into my monitor and grab one of these! :)

  13. Amazing bars Averie!! Pinned a few times :)

  14. Averie, I don’t know how you do it, not instantly scarfing down the entire pan. I love some oattmeal cookie withn my chocolate

  15. I just made chocolate chip oatmeal bars a little while ago, and now I’m wishing I’d put a chocolate layer in the middle! That looks fudgy layer looks incredible. Pinned!

  16. Hey Averie. I love your photography. My question is this: what do you do with all the baked goods? Do you and your family eat them? Do you freeze some? Share with neighbors and guests??

    • I always eat at least one (or two) of everything I make…cookies, pieces of cake, squares of brownies, etc. Then from there, I donate it to friends, family, neighbors, and basically anyone who want it, I give it away. Every once in awhile, I deem something worthy enough to hoard but after 5.5 years of doing this fulltime and writing 2 cookbooks, I am INSANELY picky and get pickier with each passing year!

  17. Hi Averie,

    I made these bars today because a friend was coming over. I need a reason to bake otherwise I’ll bake everyday and that could be deadly! :D

    These were delish! I love the fudgy part and my hubby liked the oatmeal part. I’m gonna have a piece for breakfast tomorrow. Because there’s oatmeal and it and to me that sounds “healthy”. lol

    thx so much

  18. Omigoshhhh that fudge layer is KILLIN MEEEE

  19. These look amazing Averie! Totally craving a bite of one right now.. they definitely are fudgy and delicious.

  20. Omg that fudge layer looks awesome! I need to try to veganise these, they look too good to resist!

  21. These look incredibly, like yum-o-Rama! Seriously chocolate and oatmeal call me totally sold on this recipe ;-)

  22. Those bars look so yummy & fudgy! Wow! Looks like the perfect combination of chocolate & oats to me.

  23. Oh, yes….I really need to make the incredible bars!

  24. Wow! Your bars look so great!

  25. Whoah–these bars look fantastic! I’m tempted to grab a bag of oats and mixing bowl and make them right now!

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