Preheat oven to 350 degrees and line baking sheet with parchment paper.
In a large bowl or stand mixer combine sugars, butter, and peanut butter.
Slowly mix in eggs one at a time and vanilla extract.
Add oats, baking soda, and flour and mix until fully combined.
Stir in M&M's and chocolate chips.
Scoop by heaping tablespoons and drop onto lined baking sheet.
Bake for 10-12 minutes; allow to cool for 5 minutes then move to a cooling rack.