Combine the cornstarch, 1/4 cup of coconut milk and egg yolks in a bowl and set aside.
Combine 2 cups of coconut milk and sugar in pot and bring to a boil.
Slowly temper boiling mixture into the yolk mixture and continue whisking quickly until thick and smooth.
Remove from heat and stir in vanilla, coconut oil and shredded coconut.
Pour mixture into the prepared matzo crumb crust and chill until completely cool.