3. Method 5-7 (Sponge)

5.Transfer to a food processor and blend the mixture until nearly smooth but with a few specks of dates still visible. (if you do not have a processor you could use a jug blender or a hand blender).
 
6.Butter a baking dish on all sides and pour in the sponge mix.
 
7.Bake for approx 40mins or until just firm to the touch.