Cook ravioli in boiling salted water until just cooked through and they begin to float, about 3-4 minutes.
Gently heat Alfredo and Mushrooms in a saute pan over medium heat until they come to a simmer, about 2 minutes. Season with S&P.
Drain ravioli well and add to the pan.
Add Tomatoes. Gently toss to coat the ravioli evenly with the sauce.
Continue cooking to heat through, ensuring that the sauce does not over-reduce. Taste and adjust seasoning as needed.
Using a rubber spatula, transfer immediately to a warm bowl, pulling all the sauce from the pan into the bowl.
Garnish with parmesan and torn basil evenly distributed over the pasta.
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