chocolate chip cookies

another recipe from the same book "cakes & bakes 500" by martha day

CHOCOLATE CHIP COOKIES
1/2 cup butter
1/4 cup castor sugar
1/2 cup dark brown sugar
1 egg
1/2 tsp vanilla extract
11/2 cups plain flour(minus 1 tablespoon)
1 tbs cocoa/chocolate powder
1/2 tsp soda bicarbonate
a pinch o salt
1 cup chocolate chips
1/3 cup walnuts, chopped

cream butter & sugar together until light & fluffy. in another bowl, mix eggs& vanillathen gradually beat into butter mixture. sift over flour, baking soda & salt and stir. add chocolate chips and walnuts and mix to combine well.
place heaped teaspoonfuls of dough on baking sheets and bake in oven @ 180c about 15 minutes (depends on oven)