Creamy Mushroom Sausage Pasta

Cook penne according to package directions, reserving 1 cup cooking liquid. Set aside.

Heat oil in large pan over medium-high heat. Brown sausage, turning occasionally, about 5-7 minutes. Remove from pan and let cool. Slice into thin coins.

In same pan with oil and sausage fat, add onion, Italian seasoning, sage, salt, and pepper. Cook 3-4 minutes until onions soften and are coated with seasonings.

Add butter, allowing to melt and combine with onion. Add mushrooms and toss to coat. Cook until mushrooms are tender, 3-4 minutes.

Return sausage to skillet. Add milk, 1/2 cup reserved cooking water, and remaining salt and pepper. Boil over high heat, stirring occasionally until thickened. Add pasta to pan. Stir in 1/2 cup Parmesan until sauce is creamy. Add more reserved cooking liquid if needed. Serve warm, topping with remaining Parmesan.