Ingredients
2/3 cup milk
1/4 vanilla bean, split and seeds scraped
1 large egg yolk
2 tablespoons sugar
2 1/2 tablespoons all-purpose flour
Preparation
Place milk and vanilla bean and seeds in a small saucepan. Bring to a boil over medium-low heat.
In a medium bowl, whisk egg yolk and sugar together until pale and creamy. Add flour, and mix to a smooth paste. Add half of the boiling milk, and mix well. Return mixture to pan with remaining milk, stirring to mix well. Boil for 1 minute until thickened, stirring constantly. Pass through a fine sieve.
