preheat oven to 350 degrees, mix sugar and cinnamon in a ziplock bag melt butter and keep in different tray.
Cut the biscuits in quarters 1/4 roll dip bicuits in butter and roll the pieces in sugar and cinnamon mix. Start layering in bottom of pan, after you have all biscuits in add the crushed walnuts over the top of biscuits. Drizzle the condenced milk on top. Bake in oven for 25 to 30 minutes, make sure you check at aound the 25 minutes.
Drizzle left over condenced milk if you have left over!