Preaheat over to 350º.
Spray a bundt pan with cooking spray.
Mix the sugar and cinnamon and set aside.
In a saucepan melt the butter and brown sugar over low heat, stirring well, set aside.
Cut the cream cheese into 20 equal cubes.
Separate the biscuits and press each one out with your fingers and sprinkle each with 1/2 tsp. of the cinnamon sugar.
Place a cube of cream cheese in the center of each biscuit, wrapping and sealing the dough around the cream cheese.
Sprinkle 1/2 c. of the nuts into the bottom of the bundt pan.
Place half of the prepared biscuits in the pan.
Sprinkle with cinnamon sugar, pour half of the melted butter mixture over the biscuits, and sprinkle on 1/2 c. nuts.
Layer the remaining biscuits on top, sprinkle with the remaining cinnamon sugar, pour the remaining butter mixture over the biscuits, and sprinkle with the remaining 1/2 c. nuts.
Bake for 50 minutes.
Remove from the over and cool for 5 minutes, then invert on serving plate.