Ingredients
Directions
1.
START pasta cooking according to package directions.
2.
In a large skillet over medium heat, MELT butter with oil; ADD onion and garlic; COOK until onion is tender, about 5 minutes, STIRRING occasionally.
3.
STIR in mushrooms, thyme, salt and pepper; COOK until mushrooms are tender and lightly browned, about 5 minutes, STIRRING occasionally.
4.
ADD cream and sherry (if desired); BRING just to boiling; REDUCE heat.
5.
BOIL gently, uncovered, until thickened, about 3 minutes; STIR in cheese until melted.