Cornflakes Oats Biscuits

200 gm butter
150 gm icing sugar
1 egg yolk
125 gm quaker Oat
20 gm cornflour
50gm milk power
50 gm black current
50 gm cherry
1/2 tsp vanilla
35 gm almond nib(toasted)
80 gm flour
100 gm cornflakes