1-2 tbs olive oil
knob of butter
1 onion & a clove garlic
2 large potatoes, peeled and chunked
.5 pt milk
1 pt stock
1 pt frozen peas

Melt the butter with the oil.  Gentley cook the chopped onions and garlic until soft.  Add the potatoes and pour on the milk and stock.  Simmer gently until the potatoes are cooked.  Tip in the peas and simmer for a further 2-3 mins then blend until smooth.