Melt the butter in a pan together with the oilive oil. Add the onions and garlic and fry for few minutes. Add then the ham , fry for few more minutes and now add the peas and the chicken broth.
Cook for some five minutes till the peas are cooked. Add the cream and cook boil for 2 minutes. Add salt and peper to your taste.
In the mean time cook the pasta and drain.Add the drain pasta to the sauce, mix well and serve with grated cheese and parsley.