Vegetable Soup (6-8 bowls)

Ingredients:
1 inch of butter
3 potatoes (peeled and cut into quarters)
3 sweet potatoes (peeled and cut into quarters)
2 onions (peeled and cut into quarters)
5 carrots chopped
6 sticks of celery roughly choppped.
1 stock cube

Method:

1. Chop the Veg.
2. In a large sauce pan add the butter.
3. Add all veg and cover with parchment paper and sweat on the hob (level 2-3) for 10 minutes.
4. Boil the kettle.
5. Remove parchment paper.
6. Add 3 pints of water (mostly boiled, then fill in whatever is left with cold water) & add the stock cube to the pan. 
7. Cover pan with lid, put onto level 5/6 and wait until it boils.
8. Once boiled, turn down to 2-3.
9. After 20 minutes check how soft the veg are, if they are easy to penetrate with a knife then remove from heat.
10. Liquidize the mixture until smooth.
11. Then enjoy with chili flakes to spice things up.