-
1
Bring a pasta pot of salted water to a boil. While waiting for the water to boil, heat a skillet over medium-high heat. Fry sausage slices on both sides until brown; remove them from the skillet. Place in a large mixing bowl.
-
2
In the same skillet, saute mushrooms for 2 minutes, then add onion, and saute for an additional 2 minutes, until mushrooms have rendered their liquid and onion has softened. Remove from skillet, scraping any sausage bits that remain, and place in the same bowl as the sausage.
-
3
Preheat oven to 350u00b0F.
-
4
Cook tortellini approximately 7 minutes; drain and rinse. Place in the mixing bowl.
-
5
While tortellini is cooking, melt 1 tbsp of butter or margarine in a small saucepan over medium-high heat. Add milk and sauce mix, stirring constantly until well combined. Continue stirring frequently until sauce comes to a boil; reduce heat and continue stirring until thickened, about 1-2 minutes.
-
6
Pour sauce over everything and mix with a spatula until well combined. Place in a greased casserole dish, and sprinkle with parmesan cheese. Top with mozzarella cheese, then crushed Ritz crackers.
-
7
Melt remaining 2 tbsp butter or margarine in the microwave for about 30 seconds, and drizzle over the crumbs.
-
8
Place in the oven for 30 minutes until golden brown on top; let stand 10 minutes before serving. Enjoy!
