M&M Oatmeal Bars (Made with baking mix!)


*If you have a service member overseas, these M&M Oatmeal Bar cookies are my most requested recipe to send. They travel very well and stay moist. I’ve had packages take as long as three weeks to arrive, only still get rave reviews when I’d tucked these bars inside! If you can, send a package. It make a world of difference!


These M&M Oatmeal Bars were almost impossible to get a photo of. It seemed a soon as I cut them they started flying off the platter. Finally, I was forced to hide this little guy and he had to pose all by his lonesome :(. Poor little cookie, its not his fault he’s moist and tender, tasting of brown sugar and butter and dotted with candy coated chocolates.

Fortunately, these things are a snap to make. They may actually be the easiest cookies I bake come to think of it. I first discovered these M&M Oatmeal Bars two years ago. It was ten o’clock at night and I had already gone to bed. Suddenly, the thought occurred to me that I really should make my daughter’s preschool teacher something because I hadn’t baked for her in a while (We miss you, Miss Rose!).

I immediately thought to the Pioneer Baking Mix in my pantry as I had been cruising their website earlier for recipes. I was also curious as to what a cookie made with baking mix would taste like. Thirty minutes later, two pans of these sat cooling on the counter and I was in bed again, this time only dreaming of baking rather than getting up to actually do it. *You can substitute Bisquick if you like.

For those who may not know me I want to say yes, it is completely logical to decide to bake something on the spur of the moment, no matter the hour :). I just love to feed people. 🙂


To make these M&M Oatmeal Bars you’ll need: Brown sugar, old fashioned oats, vanilla, Pioneer Brand Baking Mix, Candy Coated Chocolate Candies, a stick of butter, and One Egg.

Now the original recipe called for both light and brown sugar but I just use whatever I have on hand, which is light in this case. I have also made these with quick oats and they have been just as wonderful.


In a mixing bowl, place oats and brown sugar.

Check out my bowl, I’m going to show you the outside view here in a minute.


Add egg.


Melt butter in microwave and pour in.


Add vanilla.


Stir all of that up. Normally I use an electric mixer and I do recommend that but I was feeling lazy and it honestly wasn’t difficult to just stir it all up good with a stiff spoon.

Of course, then again, I am a professional. ~snickers~ Just kidding. 🙂

Its cute when people take me seriously. 🙂


Toss in your candies.

Remember when blonde jokes were all the rage? You can only imagine how many I heard! I loved them though, so darn cute!

Why did the blonde get fired from the M&M factory?

She kept throwing away all the ones with “W’s” on them.



Spray an 8×8 pan with cooking spray. Y’all know I don’t even buy name brand in that, either.


Pat it out into your pan.


Then let your kids put more M&M’s on top. Katy likes to push hers down into the dough a bit.


Oh look, this is that bowl I used to mix this up in. I have a thing for antique mixing bowls and depression glass. I see no reason to spend money on modern things when I can put money into something of real value with a history to it. This is a Tulip pattern Fire King bowl and I have a whole set of them, thanks to Southern Plate!

One of these days I’m going to have to devote a post to all of my neat antique dishes that y’all have helped me buy.


Now bake the M&M Oatmeal Bars at 350 for about twenty minutes. Mine always take about twenty five minutes.


Voila! Easy Peasey, delicious, buttery tasting, brown sugar lovin’, kid pleasin’, done in a jiffy even when you start them at ten o’ clock at night, COOKIES!

I just love my baking mix!

M&M Oatmeal Bars

These delicious M&M Oatmeal Bars are moist and tender, tasting of brown sugar and butter and dotted with candy coated chocolates.
Prep Time: 10 minutes
Cook Time: 30 minutes
20 minutes
Course: Dessert
Cuisine: American
Keyword: oatmeal
Servings: 4
Calories: 184kcal


  • 1/2 cup Rolled oats
  • 1/2 cup M & M candies
  • 1 cup Brown sugar packed (I use light or dark, whatever I have on hand)
  • 2 cup Pioneer Biscuit & Baking Mix
  • 1 Egg
  • 1/2 cup butter melted
  • 1 tsp Vanilla


  • Combine everything in a mixing bowl except candies. Mix until well blended. Stir in candies, reserving a few to place on top. Pat into greased 8x8 pan and bake at 350 for about twenty minutes. Allow to cool and cut into bars.


Calories: 184kcal
Tried this recipe?Mention @southernplate or tag #southernplate!


(Good luck being able to wait until they cool! These things smell amazing!)

Special thanks to my little neighbor, Grayson, for letting Brady borrow your reading book last night! He knocked on the door right after I had cut these and I sent him home with a few :). Hope you liked them, Grayson! We appreciate the help!

You might also enjoy this recipe! Awesome Oatmeal Cookies

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  1. First off I want to say that as a full time college student your recipes are perfect for me!! They’re so simple and quick! And fabulous of course 🙂

    And for the third time this week I decided to try a new one.
    So this morning I made these and they turned out great!!

    but…. (yes, there is always a but!)

    Shortly after making them (and eating only one) I covered the pan with foil and set it next to the fridge. Not even two minutes later a wine glass fell from the top of the fridge and shattered… right through the foil and on my precious cookies!

    Needless to say, my second batch of the day is currently cooling on the counter. And I’m hoping to eat more than one this time! Thank you for this recipe along with every other one on the site. Your time and effort is much appreciated!!! 🙂

  2. I just made this these and another winner in our house!! thank you so much for a quick and inexpensive cookie snack for my family.

  3. These are great to send to school..My grandson’s class love them! They can have snacks like these on Friday’s and they always ask for these or my granola bars.

  4. I don’t usually leave comments for recipes but OMG these were phenomenal! Ooey Gooey perfect cookies-best I’ve ever had in my life. WOW WOW WOW!!! I couldn’t find Pioneer Baking mix so ordered it online. Made several batches over the holidays. Craved them last week but didn’t have anymore Pioneer mix so I used Bisquick–UGH, big mistake, not very good–you have to use Pioneer or you might as well not make these. TY so much for this recipe, it is now my favorite!

  5. I don’t suppose anyone knows what could be used instead of Biscut and Baking Mix? or Bisquick? I live in Australia and I’ve been unable to find an equivalent down here. Boo Hoo Sounds easy and divine!

  6. I have that bowl!! I love it!! It was my dad’s. I almost fell out of my chair when I came across that picture. Do you know anything about it? I also have another old bowl and some cookie jars that were my parents. I love them and use them. I am forever afraid I will break one.

  7. I just made my 1st batch of these… and goodness gracious… time to make another pan cus the pan I just made are almost gone. THESE are SOOOOOOOO good and so easy! This will be my next item to ship to a solider in Iraq. I will just vacuum seal them and ship. They will be awesome! I am sure of it! Thanks soooooooo much Christy!

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