Ingredients:
For the Cheesecake Batter:

4 oz (120g) cream cheese, softened

1/4 cup (60ml) whole milk

1/4 cup (50g) unsalted butter

3 large eggs, separated

1/4 cup (50g) granulated sugar (for egg whites)

2 tbsp (25g) granulated sugar (for yolks mixture)

1/2 cup (65g) cake flour (or sifted all-purpose flour)

1 tbsp cornstarch

1/4 tsp cream of tartar or lemon juice

Optional Topping:

Powdered sugar or fruit preserves

Instructions:
Prepare the Batter:

Preheat the oven to 320°F (160°C). Line a muffin tin with cupcake liners.

Melt cream cheese, milk, and butter over a double boiler or in the microwave. Whisk until smooth.

Let cool slightly, then add egg yolks and mix well. Sift in cake flour and cornstarch, and whisk until smooth.

Whip the Egg Whites:

In a clean bowl, beat egg whites with cream of tartar or lemon juice until frothy. Gradually add sugar and whip until stiff peaks form.