Preheat oven to 350 degrees F.

In mixer beat together butter and sugars until creamy.

Beat in eggs and vanilla.

In a separate bowl mix together dry ingredients (Flour, cocoa powder, baking soda, & salt). Then slowly mix them with the wet ingredients.

Mix in the peanut butter chips.

Drop dough by rounded tablespoonfuls onto parchment lined baking sheet.

Bake at 350 degrees for 10 minutes or until the cookies are baked.