Cup of Yum
1. Line an 8x8-inch tin with baking paper.
2. Crush the Party Ring biscuits into fine crumbs using a food processor or blender.
3. Place the crumbs into a large bowl with the melted butter and 120ml of condensed milk. Save the rest of the tin for the topping.
4. Mix well to make a wet dough-like mixture then press it into your lined tin.

Topping:

Cup of Yum
1. Break the white chocolate into pieces and place it into a saucepan with the rest of the condensed milk.
2. Put the pan over low heat and stir gently until the chocolate has melted and the mixture has become thick and glossy.
3. Place 2 tablespoons of the mixture into a separate bowl and use the food colouring to make it pink.
4. Spread the white chocolate topping over the biscuit base in the tin then add spoonfuls of the pink mixture on top. Use a toothpick to swirl the two colours together into a marbled pattern.
5. Top with mini Party Rings then place in the fridge for 4 hours to set.