1/2 c. butter
1 c. chopped pecans
2 c. crushed Rice Chex cereal
1 c. brown sugar
1 c. flaked coconut
2 qt. vanilla ice cream, softened

Melt butter and brown sugar. Add other ingredients (except ice cream). Spread half of the mixture into a 9"x13" pan and then spread the ice cream on top. Top with remaining crumbs. Freeze.