To prepare crust:
Grind the oatmeal in a food processor.
Mix crushed biscuits+ oat meal+ Syrup (or honey) Add melted butter (add spices& coffee if wanted) and mix well.
Press mixture into bottom of a 11 inch springform pan. Keep in freezer for 15 minute.
Meanwhile, prepare filling: mix filling ingredients together with a fork till well combined. If batter is too thick, add little milk.
Pour filling over crust. Bake in 390F (200C) preheated oven for 10 minutes then reduce temperature to 340F (170F) and continue baking for another 20-25 minutes.
Serve warm with some cream or thick cream.