Line a 9x9” baking dish with parchment paper or foil.
In a large microwave-safe bowl, heat peanut butter and honey for one minute.
Whisk in brown sugar to the hot pb/honey mixture.
Stir in vanilla.
Add cereal, oats, M&M’s and chocolate chips; stir until combined.
Pour into prepared pan. Lightly spray hands or the back of a measure cup with non-stick cooking spray. With greased hands or cup press mixture down into pan.
Refrigerate for 2 hours.
Slice into bars.
Drizzle with melted chocolate and sprinkle with extra M&M’s if desired.
