Line a loaf tin with baking paper, a similar sized lunchbox will be fine too.

Blend the oats and seeds.

Add the chocolate chips; blend briefly

Pour in the tin push down with the back of a spoon or something similar.

To finish: melt the chocolate in the microwave, but make sure it doesn't burn. Then add the rice crispies to the melted chocolate.

Spoon it evenly on top of them.

Put in the fridge for 30 minutes

When set; cut into 8 bars (approx)