Use a sharp knife to split the vanilla bean lengthwise, then scrape out the tiny black seeds with the back of your knife. Feel the oily seeds sticking to your fingers and smell the rich vanilla aroma.
Pour the heavy cream into a saucepan and gently warm over medium-low heat until it just starts to shimmer, filling your kitchen with a fragrant vanilla aroma. Remove from heat.
In a mixing bowl, whisk together the egg yolks (if using), sugar, and a pinch of salt until the mixture becomes smooth and slightly pale—this helps create a silky custard base.
Gradually pour the warm cream into the egg mixture while whisking constantly, tempering the eggs to prevent curdling. Feel the mixture thicken slightly as you whisk.
Stir in the vanilla seeds and scraped vanilla bean pod into the custard mixture, releasing their fragrant oils. Let sit for a few minutes to infuse.
Strain the custard through a fine sieve into a clean bowl to remove the vanilla pod and any cooked egg bits, ensuring a smooth texture.
Cover the bowl and refrigerate the custard for at least 4 hours or overnight. This chilling step allows the flavors to deepen and the mixture to become silky.
Once chilled, pour the custard into your ice cream maker and churn according to the manufacturer’s instructions until it reaches a soft, creamy consistency.
Transfer the churned ice cream into an airtight container, smoothing the surface with a spatula. Cover and freeze for at least 2 hours to firm up.
Before serving, let the ice cream sit at room temperature for a few minutes to soften slightly, making it easier to scoop and enhancing its rich vanilla aroma.
Enjoy your homemade vanilla bean ice cream, savoring its smooth texture and tiny specks of vanilla that make every bite delightful.
