These Monster Cookie Bars are loaded with oats, peanut butter, and chocolate. All the flavors of the classic cookie but in an easy cookie bar form. A perfect dessert bar for lunch boxes, parties, and potlucks!
Line a 9x13 baking dish with parchment paper or grease with non stick cooking spray.
In the bowl of a stand mixer fitted with the paddle attachment or in a large mixing bowl with hand beaters, beat together the brown sugar, granulated sugar, eggs, vanilla extract, honey, baking soda and salt until smooth.
With the mixer on low speed, drizzle in the melted butter.
Add the peanut butter, rolled oats, and whole wheat flour and mix until fully combined.
Stir in the chocolate chips, butterscotch chips and peanut butter pieces.
Place cookie dough in prepared baking dish and gently press into an even layer.
Preheat the oven to 350°F. Let the cookie dough rest on the counter while the oven preheats.
Bake bars in preheated oven on center rack for 20-25 minutes until the edges are golden brown and the center is no longer glossy.