Fettucine with Zucchini and Mushrooms

1 lb pkg fettucine 
1/2 cup butter 
1/2 lb mushrooms 
1.25 lb zucchini 
1 cup half-and-half 
3/4 cup Parmesan 
1/2 cup parsley 

Cook fettucine al dente. 

Cut zucchini into julienne strips. While pasta is cooking, sauté mushrooms and zucchini in butter for 2 minutes. 

Add half-and-half to sauté; reduce heat and simmer for 3 minutes. Add cooked fettucine to sauté, along with cheese and parsley, and toss to mix well.