Preheat oven to 375 degrees.

Beat butter, brown sugar and granulated sugar together in a bowl until fluffy. Beat in eggs one at a time. Beat in eggs one at a time. Being sure to scrape down the sides of the bowl after adding each egg. Beat in vanilla.

Combine flour, baking soda and salt together in a bowl. Slowly beat dry ingredients into the wet ingredients. Fold in the Biscoff spread and Pumpkin Spice M&Ms.

Roll out tablespoons of dough and place them on cookie sheets. Bake for 10 minutes or until edges have started to brown. Note: when baked for 10 minutes these are chewy cookies. Baked for 12 minutes they get a bit crispy.

Allow to cool on the cookie sheet for several minutes. Transfer to a cooling rack to cool completely.