Beat your cream cheese until it is smooth and creamy.
Add in the butter and peanut butter and mix till smooth.
Mix in the brown sugar, vanilla, oats, and powdered sugar.
Fold in the mini chocolate chips.
Scoop the mixture into the middle of a piece of plastic wrap.
Roll mixture into a ball and completely cover in plastic wrap.
Place into the fridge for about 1 hour until somewhat firm.
Dump m&ms onto a flat plate.
Remove ball from plastic wrap and roll in the m&ms. Press m&ms into empty spots as necessary.
Place ball into the fridge for at least another 1 to 2 hours (or overnight).
Serve with graham crackers, pretzels, cookies, etc.