Blueberry kumquat cream cheese tarts recipe with graham crust

Ingredients

• 1 cup milk
• 5 tbsp sugar
• 4 large egg yolks
• 2 ½ tbsp corn starch
• 6 oz cream cheese, cut into cubes and softened
• 1 tsp vanilla extract
• ½ cup heavy cream, whipped to soft peaks
• 2 1/2 cups
• 2 ½ cups blueberries
• 1 tbsp sugar
• 400g (about 24) kumquats
• 2 cup granulated sugar
• 1 ½ cup water