Preheat oven to 350. Line baking sheets,with parchment paper.
Whisk flour, cocoa, baking soda and salt in a bowl, set aside
In another larger bowl bet butter and sugars until light and fluffy,add eggs and vanilla
Add in hazelnut spread and combine.
Stir in flour and mix just until combined, don't over mix. Fold in M&M`s and white chocolate chips
Roll dough into 1 inch balls. Place on parchment paper with a 2 inches space between them. Flatten balls slightly with palm of your hand.
Bake 9 to 12 minutes just until cookies are just set, don't over cook. Cool on cookie sheet 2 minutes then transfer to wire rack to cool.
