FOR JELLY
Make the jellies according to instructions..cool and half fill glasses and put glasses into muffin trays sliding and refrigerate till jelly sets

FOR CUSTARD
boil milk.
Mix 3 tablespoon custard powder and milk (make a paste like) and sugar according to ur taste and stir
Add this mixture into boiling milk and lower the heat and stir quick to avoid lumps
Add drop of Vannila essence for flavour and cook for further 5-8 mins on low heat….remove from stove let it cool completely

FOR BLUEBERRY SAUSE
Combine the blueberries, water, sugar, lemon juice and water in a small-sized saucepan over medium-high heat. Bring to a boil; lower heat and gently simmer.
2. Combine the cornstarch with the extra water until dissolved and stir it into the blueberries. Continue to simmer while stirring occasionally, until the sauce begins to thicken 
COOL IT AND DO LIKE I DID

Credit: Ntombi YourHigness Nyembe