Ingredients:

• 1 Packet Marie Biscuits (you can substitute with any plain sweet biscuits)
• 170 mg unsalted butter, melted
• 400g sweetened condensed milk
• Juice of 2 lemons
• 3 level teaspoons gelatin
• 1/4 cup boiling water
• Topping:
• 1 packet jelly crystals (your choice of flavor)
• Water

Method:
       Step 1 - Crush biscuits in a food processor (or in a plastic bag with a rolling pin), transfer to a bowl and mix in melted butter. 
       Step 2 - Place mixture in prepared tray and press down firmly. Refrigerate for 30 minutes.
       Step 3 - Dissolve gelatin in 1/2 cup hot water. Combine gelatin mixture with condensed milk in a bowl, pour over biscuit base and place back in fridge for 30 minutes until cool and nearly set.
       Step 4 - Pour cold jelly on top of biscuit crust and return to fridge to set. Slice into squares using a butter knife.Serve cold.