The Busy Mom’s Easy {Gluten-Free} Monster Cookie Bars

Busy Mom's Gluten-Free Monster Cookie Bars

Delicious cookie bars filled with peanut butter, oats and chocolate. There is something for everyone!

The Busy Mom's Easy {Gluten-Free} Monster Cookie Bars

Can’t forget about the cookies!

This holiday season has me running around like a chicken with my head cut off. It is my daughters first “real” Christmas. Technically it was last Christmas since she was born on the 23rd, but we were in the hospital, so it doesn’t really count. There is so much excitement surrounding her first Christmas. Taking pictures and buying presents, I almost forgot about making out favorite holiday cookie. Monster cookies are awesome and I needed a cookie for our cookie exchange. They have something in them for everyone- peanut butter, m&ms, oatmeal, chocolate chips. I knew they would be perfect.

Busy Mom's Gluten-Free Monster Cookie Bars

I’ve got to be honest with you.

These really did start out as monster cookies, but while I was making them, my daughter started getting bored. Apparently, the whisk I handed her to play with while I was baking was not entertaining enough. She was fussy and I was looking at a bowl full of cookie dough when a light bulb came on.

Why do these have to be individual cookies, why can’t I just put it all in a pan?

Turns out you can. Thank goodness, because I just really didn’t have time to bake all the cookies individually. It is so much easier just to put it all on a pan, bake it and then cut it into bars. The bars are just as good as the cookies and you can cut them whatever size you like. They were a hit at my cookie exchange!

Santa will love these #glutenfree monster #cookie bars! Don't forget the #milk! Click To Tweet

Yes, you can also make individual cookies with this if you have time, but if you are a mom (or just incredibly busy) bar cookies are the way to go!

I promise, Santa won’t mind if his cookies are shaped like a square, as long as there is a glass of milk to go with them!

Happy gluten-free baking!

The Busy Momโ€™s Easy {Gluten-Free} Monster Cookie Bars

The Busy Momโ€™s Easy {Gluten-Free} Monster Cookie Bars


  • 1/4 cup softened butter
  • 1/2 cup gluten-free peanut butter
  • 1/2 cup white sugar
  • 1/2 cup light brown sugar
  • 2 eggs
  • 1 teaspoon vanilla
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 3 cups gluten-free old fashioned rolled oats
  • 1/2 cup m&m's (plus a few for the top)
  • 1/2 cup gluten-free chocolate chips


  1. Preheat oven to 325 degrees.
  2. Cream together butter and peanut butter.
  3. Add sugars, 2 eggs and vanilla. Stir well.
  4. Add oats, baking soda, and salt. Stir well.
  5. Add m&m's and chocolate chips. Stir well.
  6. Spread into lightly greased 9X13 pan. Sprinkle m&m's on top.
  7. Bake at 325 degrees for 30-35 minutes.
  8. Let cool completely before cutting.

These can easily be made dairy free by substituting Earth Balance bars (or another dairy-free butter) for the butter and by using dairy-free chocolate chips, such as Enjoy Life.

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32 thoughts on “The Busy Mom’s Easy {Gluten-Free} Monster Cookie Bars

  1. I think we’ve all had that moment of wondering why we have to make a couple dozen individual cookies when we could just spread them in a pan. So glad you went with your instincts there ๐Ÿ˜‰ Merry Christmas!

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