Sheet pan monster cookie bars

Monster cookie bars are ooey gooey peanut butter, oatmeal, and M&M filled dessert bars that are bound to put a smile on your face!

Monster Cookie Bars are so easy to make, and full of delicious flavor. Such a fun treat to bake with the kiddos!

No Flour Monster Cookie Bars bake in a cookie sheet with peanut butter, oats, chocolate chips and m&m's. For a gluten-free dessert use gluten-free oats.

Prepare these chocolate peanut butter monster cookie bars in just 30 minutes, without flour and using only one bowl!

Quick and easy monster cookie bars! They are soft, chewy and full of peanut butter. The best part is they mix up in one bowl by hand!

Monster Cookie Bars are a super easy twist on the cookies we all loved growing up. Easier to make and ready to feed a crowd.

Adell, Author at Baked in AZ

If you need to feed a crowd, these 20 easy sheet pan desserts are the way to go! Almost any dessert can be made in a sheet pan and it's literally the most economical way to feed a group.

Frosted Sugar Cookie Bars have a chewy sugar cookie base topped with a tangy cream cheese frosting that is sure to please any crowd!

M&M Cookie Bars - Packed with colorful M&M candies and mini chocolate chips, these cookie bars are a viral hit and a reader favorite.