In a non-stick skillet over medium heat, remove sausage from casing and saute with garlic until browned.
Add tomato puree and mix. Cook for 10 minutes. Meanwhile wash and slice your mushrooms.
Add torn basil.
Add sliced mushrooms and mix.
Get your pasta going and cook according to package directions.
Cook sauce an additional 10 minutes or until sausage is cooked through and mushrooms are tender.
In the last 5 minutes or so of cooking, shut off the heat and add 1 cup ricotta to the sauce.
If the sauce is too tight, add some pasta cooking water until desired consistency. This wil lalso help thicken the sauce.
Mix until combined. Season with salt & pepper.
Mix with drained pasta and serve with grated Parmesan cheese.