Combine the milk, sugar, and salt in a medium saucepan over medium heat. Stir to dissolve the sugar. Heat until steaming and little bubbles appear around the edges.
1 ⅓ cups whole milk, ½ cup granulated sugar, 1 pinch salt
In a large bowl, whisk together the egg yolks. Slowly pour the scalded milk in a slow stream while whisking constantly. When fully combined, pour the mixture into the saucepan and return to medium heat. Cook, while stirring frequently, until the mixture thickens and coats the back of a spoon.
6 large egg yolks
Pour the mixture through a mesh strainer into a large bowl. Whisk in the heavy cream and vanilla, followed by the vanilla bean olive oil, whisking vigorously until it is incorporated. Chill completely.
1 cup heavy cream, 1 tsp vanilla extract
Freeze an ice cream machine according to the manufacturer's instructions. Scoop ice cream into a large bowl and let it freeze for a few hours before serving.