No Bake Peanut Butter Bars

INGREDIENTS 
For 24 bars

450g of oat biscuits
100g butter, melted
150g icing sugar
250g peanut butter
175 g semi-sweet chocolate chips

INGREDIENTS

In a bowl, combine the oat biscuits, sugar and butter. Stir. Add the peanut butter and mix until combined.
Line a 9×9 (22×22 cm) or 8×8 (20×20 cm) pan with foil.
Spread on the peanut butter mixture.
Melt the chocolate chips with the 2 Tbsp. of peanut butter, and spread on top of the graham cracker mixture.
Refrigerate for 3 hours.
Remove from pan, cut, and serve.