3 c. (8 oz.) uncooked pasta
1/4 c. butter
1/4 c. flour
1 c. chicken broth
1 c. heavy cream
1/2 c. shredded Swiss or cheddar cheese
1/3 c. grated Parmesan cheese
2 1/2 c. cooked cubed chicken
3/4 c. sliced mushrooms, drained
Salt and pepper for taste

Cook pasta, according to directions; drain. In large saucepan melt butter and blend in flour. Gradually stir in broth and cream. Cook, stirring constantly, over low heat until sauce thickens. Blend in cheeses and continue heating, stirring constantly until cheese melts. Stir in remaining ingredients. Serve over hot cooked pasta.