Pea and Ham Soup - Cooking like a Boss

Ham can be substituted for pre-boiled gammon. Very large portions for two but very morish.

2 tbsp 0.03 l 30 ml 6 tsp 0.127 cup 0.053 pint butter	heat on low-medium	stir in until coated in butter	cover and sweat 10mins	boil until peas float to surface	blend until smooth	add ham	bring to simmer	season
2 medium onion	finely chopped
2 large potato	peeled and cut into small cubes
salt
pepper
600g ³⁄₅kg 1.32lb 21.2oz frozen peas
800ml ⁴⁄₅l 53 ¹⁄₃tbsp 160tsp 3.38cup 1.41pint chicken stock
200g ¹⁄₅kg 0.441lb 7.05oz thick cut ham