Cake Mix Cinnamon Rolls

1 (18.25 ounce) box yellow cake mix
2 1/2 cups warm water
2 packages dry yeast
1 teaspoon salt
5 cups all-purpose flour

Mix all; let double in size about 1 hour. Roll out and spread with butter. Sprinkle 1/2 cup granulated sugar and 4 teaspoons cinnamon over the top. Roll up and cut into 1-inch rolls. Let rise 1 hour.

Bake at 350 degrees F for 20 minutes. Ice with thin icing.