In a small saucepan melt the butter over low/med heat. During that time and watching the butter, take out the biscuits and cut each on into six pieces. Put them in another bowl and cover and toss with cinnamon and sugar,making sure each piece is covered.
When the butter is melted add in the brown sugar and nuts. Keep a watch on it stirring often. Bring it up to a light boil, continue to let it boil for 2-3 minutes until you can see its getting thicker.
Pour a thin layer into the bundt pan, start to layer, adding some biscuit pieces, then more carmel sauce, more biscuits and so forth, adding the last bit on the top. Bake at 350 for 45 min or until the center pieces are done. You may have to pull apart and check the center ones. Let it cool 15 minutes then flip onto a nice platter.