1. Prepare three egg yolks, two spoonfuls of sugar, half a bottle of milk and a little butter.

2. First, put three egg yolks into a large bowl with an egg white separator, mix the egg yolks evenly, and then add two teaspoons of sugar. If you like sweets, you can add three teaspoons

3. After adding sugar, stir the sugar-added egg tart liquid evenly. It doesn't matter if it can't be saccharified. It will melt after baking in the oven.

4. After stirring evenly, add half a bottle of milk and continue stirring.

5. Finally, add a little butter, and mix the butter and egg tart liquid evenly, and the egg tart liquid is ready.