Ingredients:
1/4 cup butter softened
3/4 cup brown sugar
1 egg
1 tablespoon orange zest
1 tablespoon fresh orange juice
1 1/2 cups buttermilk baking mix
1/2 cup chopped walnuts
1 cup chocolate chips

Instructions:
Heat the oven to 375 degrees Fahrenheit   Beat the butter in a medium bowl and gradually add the brown sugar, beating it until fluffy. 
Add the egg and the orange peel and the juice and beat it all until smooth.  Mix in the buttermilk. Then stir in the walnuts and chocolate chips.
 Drop tablespoons of the mixture onto greased cookie trays and bake 10 to 12 minutes. Remove them from the cookie sheet to a wire rack and let them cool completely before eating.