Thaw rolls and cut each in half.

In a medium bowl, mix brown sugar, cinnamon, and nuts. Dip roll halves in butter then roll in mixture until thoroughly coated.

Arrange in bundt pan that has been sprayed with non-stick cooking spray and cover with plastic wrap.

Let rise until double (2 to 3 hours). Remove wrap.

Bake at 350°F for 30 to 50 minutes. Cover with foil the last 15 minutes of baking.

Immediately after removing from the oven, carefully release edges and center with knife. Invert onto serving plate.