Ingredients
Instructions
- Saute the garlic, onions and celery gently in the olive oil in the bottom of the pressure cooker.
- Add all the rest of the ingredients and fill with water until it it 3/4 full. It's important not to fill your pressure cooker more than 3/4 full for safe cooking.
- Seal,Bring up to pressure and cook for 40 minutes.
- Turn off the heat and let the pressure drop naturally. Strain the liquid though a sieve into a large pot, press as much liquid out of the vegetables as you can, discard the vegetables.
- Once cool freeze the liquid for use in vegetarian soups, sauces, lasagne etc.