Heat oven to 375 degrees
Cook chicken in instant pot on high pressure for 12 minutes
Prepare noodles according to box instructions for al dente
Shred chicken in casserole baking dish and then add cream of chicken soup, cream of mushroom soup, creme fraiche, rotel tomatoes and seasoning
Mix well until everything is combined
Add cooked noodles to the chicken mixture and stir well
Once all the noodles are added, add half the cheese blend to the mixture and combine
Smooth the top of the casserole and top with the remaining cheese
Cover with foil and bake for 35 minutes until heated through and cheese has melted on top
Broil on high for 3 minutes until cheese is golden brown
Top with fresh parsley and red pepper flakes if desired