Cut Straw berries in halves into the pot they are going to
simmer for infusing.
Add the sugar
,sliced orange, Vanilla beans , gently combine all ingredients and let macerate for about 15 minutes, stirring time to
time.
Cover with plastic wrap
in the way of sealing the pot for pressure cooking.
Slowly bring the mixture to a boil and let simmer for another 15 minutes
Remove from flame and let cool still covered.
The next day strain the liquid through cheese cloth.
Bring back to the boil to add the starch/water solution to
slightly thicken the sauce