In a large skillet or sauté pan, heat oil until almost smoking.
Add mushrooms, peppers, garlic, and shallots. Cook on medium heat for 5 minutes, stirring occasionally.
Add white wine and reduce until almost dry.
Add cream and cheese and cook until incorporated and sauce is desired consistency.
Add salt and pepper, spinach, and basil.
At the last minute, add cooked pasta and coat with sauce.
Garnish with roasted pistachios.