You can serve individual serving

Chocolate desert
Rossmoor chocolate 2packet
Milk 1kg
Sugar 6 to 8 table spoon
Oreo biscuit 6 packet
Chocolate chips for garnish
Milk pack cream 1 packet
Crush Oreo biscuit and set in serving dish
In pan add milk add sugar and boil them in separate bowl mix chocolate powder in 4 table spoon milk and add boil milk mix continue 3 minutes and turn flame off when comes room temperature add cream and pour in serving dish garnish with chocolate chips cream and crush Oreo biscuit and serve chill