This is a delicious Italian Marsala wine sauce with mushrooms made with a tomato base, mushrooms sautéed in butter, onion, garlic, basil, and Marsala wine. Serve over pasta with steak or chicken.
In a pan, melt butter and saute mushrooms for 7 minutes over medium-high heat. Add minced garlic and onion and cook for an additional minute.
Add crushed tomatoes, marsala wine, basil, salt, crushed red pepper flakes, and black pepper to the pan. Bring to a simmer for 8 minutes while stirring frequently.