1 cup Butter (softened)
3/4 cup Brown sugar (firmly packed)
1/2 cup Sugar
1/4 cup Sour cream
1 tsp Vanilla extract
2 cups All-purpose flour
1 tsp Baking soda
3/4 tsp Salt
1 1/2 cups Semisweet chocolate chips
1 cup Pecans (coarsely chopped)
Beat butter at medium speed with an electric mixer until smooth. Gradually add sugars, beating until well blended. Add in egg, sour cream, and vanilla, mixing well. Combine flour, baking soda and salt, add to butter mixture, mixing well. Stir in the chocolate chips and nuts. Divide dough into 2 airtight plastic containers.
Store dough for in refrigerator up to 4 weeks. When ready to bake, drop by tablespoonfuls onto greased baking sheets. Bake at 375 degrees F for 10 – 12 minutes. Allow to cool completely on wire racks.