Growing up, chicken tetrazzini was the dinner I looked forward to most. I loved it so much, I wanted to create a gluten-free recipe just as good as the original!
Slowly whisk in chicken broth and white wine. Then whisk in the half and half. Bring to a low boil and continue to stir until thickened, Then mix in the cheeses.
Spread a little sauce on bottom of a casserole dish. Top with half of the pasta, half the chicken, and half the mushrooms. Repeat with remaining pasta, chicken, mushrooms and sauce.