Sorry for the long post.
Recipe
1 cup butter, softened
1/2 cup vegetable shortening
3/4 cup sugar
1 3/4 cups firmly packed brown sugar
3 large eggs
1 tsp vanilla extract
3 3/4 cups all-purpose flour
2 tsp baking soda
1 tsp salt
1 (12 oz) packaged semisweet chocolate chips
1 cup milk chocolate...