1-First: cook the 1 lb fettuccine pasta according to the package instructions, then drain it to prepare the base of your dish.

2-Next: slice the 1 lb fresh mushrooms and cook them in 1 tsp oil over high heat until they turn golden brown, seasoning with salt as they cook.

3-Then: cut the 1 lb chicken breast into strips, season with salt and pepper to taste, and cook until it becomes golden brown.

4-In a medium saucepan over medium-low heat, combine 2 cups heavy whipping cream, 1/2 cup unsalted butter, 2 pressed garlic cloves, and 1/2 cup grated parmesan cheese; whisk until it forms a smooth sauce and begins to simmer.

5-Finally, add the cooked fettuccine, mushrooms, and chicken to the sauce, then toss everything together until well combined, and serve warm topped with extra grated parmesan cheese.