Boil-in-bag: potato gratain

Do you want a sure fire no sweat side dish for your party? Something delicioous that serves many with no effort? Potato gratain is the answer. Stepping it up to boil-in-bag potato gratain will leave you without any hard to clean trays or pots and a perfect result every time, no matter when the guests arrive or when you are going to serve. Since boil-in-bag is cooked hermetically sealed, the fridge life time is excelent.

For half a batch of patato gratain you will need:
2.5 deciliters of cream
500 grams of potato (i use waxy, but the basic potato gratain recipies says floury)
half an onion
cloves of garlic to tase
salt
black pepper

You will also need:
Kitchen knife
Potato peeler
Garlic mincer
Food grade plasic bags
Vaccuum sealer (optional )

Step 1 Chop and dice

Peel the potatoes. Slice them 3mm thick.
Peel the onion. Slice it 5mm thick in quarters.
Mince the garlic.
Add salt and freshly ground black pepper to the garlic.