Melt 2 Tbs of the butter in a heavy saucepan over moderate heat and cook the chopped onions for 7 or 8 minutes, stirring frequently, until soft but not brown.
4 tbsp butter, 1/4 cup onion
Add the peas and chicken stock and cook 15 to 20 minutes, covered.
2 cup peas, 1/4 cup chicken broth
When the peas are tender, add the prosciutto and cook uncovered for 2 minutes, stirring, until the liquid is absorbed.
2 oz Prosciutto
Season to taste with salt and pepper.
salt, ground pepper
Notes
Excellant side dish that is always popularNote:You can use either fresh peas or frozen peas that have been thawed.