c("Melt the butter or margarine over low heat. In a large bowl, beat together  butter, brown sugar, 3/4 cup chopped pecans, and vanilla until well blended.", "Add flour and baking powder and mix well.", "Shape dough into 1-inch balls.", "Slightly flatten by pressing balls onto ungreased cookie sheets; pinch tops to  point to resemble acorns.", "Bake for 10 to 12 minutes at 375 degrees F ( 190  degrees C). Remove from oven and cool on wire racks.", "In top of a double  boiler melt chocolate chips, stirring until smooth.", 
"Remove from heat; keep  chocolate warm over water in the double boiler.", "Dip large ends of cooled  cookies into melted chocolate, then roll in remaining 3/4 cup chopped  pecans.", "Cool to set chocolate.")