preheat oven to 400. mix together walnuts, brown sugar and cinnamon

bring maple syrup and 4 tblsp butter to boil in a sml. saucepan. pour into a 10 in. cast iron pan. top with 1/3 of walnut mixture

combine flour, baking powder and salt in a lg. bowl. add 7 tblsp. butter and mix until mixture resembles small peas. add min. stir gently just mixture comes together

melt remaining 1 tblsp. butter in a sml. saucepan

turn dough onto a lightly floured surface and knead gently 5-6 times. roll into a 9 x 12 in. rectangle. brush with melted butter

cover dough with remaining walnut mixture patting gently. roll up dough to form a 12 in. log, pinching seam to seal. cut into 12 (1 in.) slices and place in pan. bake 25 min. Remove from oven and immediately invert onto a lg. plate (do this quickly but carefully- the syrup is very hot). scrape any syrup from pan and spread over buns.