Step 1

Preheat 180°C/350°F (fan forced).

Step 2

To make the base mix all the ingredients together well to form a sticky dough. In a Thermomix, 30 seconds, speed 3.

Step 3

Press firmly into a lined slice tin (27cm x 18cm) and bake 20 minutes.

Step 4

Make the raspberry layer by mixing the defrosted berries with the chia seeds.

Step 5

In a small pot, melt the butter and sugar for a few minutes then mix in the flaked almonds.

Step 6

Top the slice with the raspberry layer and with damp hands press the almonds on top and bake for 15 minutes.

Step 7

Store in an airtight container in the fridge or freezer.