- ½ cup butter, softened
- ½ cup shortening
- ¾ cup granulated sugar
- ¾ cup packed brown sugar
- ½ teaspoon baking powder
- ¼ teaspoon baking soda
- ¼ teaspoon salt
- 2 eggs
- 1 teaspoon vanilla
- 1 ⅓ cups all-purpose flour
- ⅓ cup unsweetened cocoa powder
- 2 ½ cups rolled oats
- 6 ounces semi-sweet chocolate chips
- 6 ounces peanut butter chips
- 1 cup chopped pecans, chopped
Preheat oven to 350 degrees. In a large bowl, combine butter and shortening. Beat with electric mixer on medium to high speed for 30 seconds. Add sugars, baking powder, baking soda, and salt; beat until combined.
Beat in eggs and vanilla. Add flour and cocoa powder; beat on low speed until combined. Stir in oats, semisweet chips, white baking chips, and nuts.
Drop walnut-size pieces dough 3 inches apart onto greased cookie sheet. Bake for 12 to 14 minutes or just until edges are firm and centers are set. Cool on cookie sheet for 1 minute. Transfer cookies to wire rack; cool.