Combine biscuit mix, sugar, dates and orange rind,
Beat together the milk and egg.
Add liquid to biscuit mixture.
Stir until blended.
Put in a greased 8-inch square pan. Spread evenly.
Mix together brown sugar, flour, and nuts.
Stir in the melted butter.
Sprinkle this mixture over the top.
Bake at 375° for 30 minutes.