Top-ranked recipe named "The best brownie cookie EVER"
Preheat oven to 350. Melt butter, 1 cup morsels and semisweet chocolate in pan over low heat. Remove from heat and let stand to cool. Sift flour, baking powder and salt together. Beat sugar, eggs and vanilla in bowl on medium speech until light and fluffy. Add the cooled chocolate and mix well.
Add flour mix and beat until just blended, scraping bowl occasionally. Fold in 2 cups morsels and nuts. Drop by heaping spoonfuls onto cookie sheet and bake 10-12 minutes or until edges are crisp. Cool on sheet for 2 minutes and remove to wire rack.
Note: Cookies do not expand much on cookie sheet, so shape cookies as desired before baking.