Preheat oven to 180°C and line a 16cm square cake tin with baking paper that comes up over the sides for easy removal.
Place all base ingredients into TM bowl and blend 15 sec/speed 8.
Press into prepared tin and bake 10 minutes until fragrant and golden.
Cool. Reduce oven temperature to 160°C.
To make topping, place all ingredients except lemon juice into TM bowl and blend 20 sec/speed 8.
Add lemon juice and blend 20 sec/speed 8.
Pour onto base and bake 20 minutes or until centre is just a little bit wobbly, but set.