Pit a saucepan on medium-low heat, add ½ cup of blueberries and ¼ cup of sugar into it and mix it well.
Cook the mixture until the sauce thickens about 6-8 minutes
Add 1 tbsp of lemon juice into the pan and mix again.
Cool the mixture completely.
Add 8 pieces of digestive biscuits into the grinder and grind it well, then add 4 tbsp of melted butter and mix again.
Take a 7-inch springform pan and pour the ground mixture into the pan
Spread the mixture eventually into the pan and press it as much as you can through the spatula.
Refrigerate the mixture for 15 minutes
Add 1.5 cups of room temperature cream cheese into the bowl and beat it until smooth.
Add ½ cup of sugar, 1 tbsp of lemon juice, 1 tsp of vanilla essence and beat again.
In another bowl, take 1 cup of chilled heavy cream and lightly beat it for 3-4 minutes.
Add the heavy cream mixture into the cream cheese mixture and mix it well until combined.
Take out the springform pan from the refrigerator and pour the cream cheese mixture onto the ground biscuit layer and spread it well evenly.
Pour the blueberry sauce and spread it overall
Refrigerate again for 4-6 hours
Now cut the slice and enjoy it as your favourite dessert.