Read and see more about these marvelous cookies at Bake or Break.
Preheat oven to 375°.
Beat butter at medium speed in a heavy-duty mixer until creamy. Gradually add sugars and beat well. Add eggs and vanilla, beating well.
In a separate bowl, combine flour, baking powder, bakings soda, and salt. Gradually add to butter mixture and beat well.
Process oats in a food processor until finely ground. Add to butter mixture and beat well. Stir in chocolates and pecans.
Drop cookies by tablespoonfuls onto ungreased baking sheets. Bake for 8-10 minutes or until lightly browned. Cool slightly on baking sheets. Then, remove to wire racks to cool completely.
Makes about 4 dozen cookies.