Pea and Ham Soup - Cooking like a Boss

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

1 tbsp 0.015 l 15 ml 3 tsp 0.063 cup 0.026 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
1 medium onion	finely chopped
1 large potato	peeled and cut into small cubes
salt
pepper
300g 0.3kg 0.661lb 10.6oz frozen peas
400ml ²⁄₅l 26 ²⁄₃tbsp 80tsp 1.69cup 0.704pint chicken stock
100g 0.1kg 0.22lb 3.53oz thick cut ham