– Heating the knife under warm water will make this easier and neater, thanks for the tip! But personally I like having the jagged edges. – Passionfruit juice can be replaced with about 2 tsp of freshly squeezed orange, mandarin juice or mango, peach nectar, you can adjust the amount of juice to taste), alternatively you can substitute with any fruit curd you prefer. – You can include some cheesecake crust crumbs at the base of each egg if you really want to include some sort of crust into the dessert.