250g dried marrowfat peas
2tsp bicarbonate of soda
25g salted buttercubed
mintfinely chopped
lemonjuiced
Method
step 1
Put the marrowfat peas and bicarbonate of soda in a large heatproof bowl and cover with boiling water. Leave to soak for 12 hours or overnight.
step 2
Drain the peas and rinse them twice with cold water to wash off the bicarbonate of soda. Put the beans in a saucepan and cover with 650ml cold water. Bring to the boil, reduce the heat and simmer for 30 mins until tender, stirring occasionally.
step 3
Mash briefly and stir in the butter, mint and lemon, seasoning to taste.