1 lb white mushrooms or cremini mushrooms, sliced .
2/3 c shredded Fontina cheese (may substitute Gruyere or Swiss) .
1/4 tsp salt
Directions
Step #1 Preheat oven to 400°.
Step #2 Coat a baking sheet with cooking spray.
Step #3 Arrange the polenta on the prepared baking sheet & bake this until crispy on the bottom & heated through, about 20 mins.
Step #4 Meanwhile, heat the oil In a large-ish skillet over medium-high heat.
Step #5 Add onion & cook, until lightly browned, stirring often, 2 to 3 mins.
Step #6 Stir in the mushrooms, stirring often, salt & pepper & cook, until the mushrooms are softened & most of the liquid has evaporated, 8 to 10 mins.
Step #7 Pour in the wine; bring to a boil & scrape up any browned bits from the bottom of the pan.
Step #8 Reduce the liquid until the pan is almost dry, 2 to 3 mins.
Step #9 Stir in the sour cream & bring to a simmer.
Step #10 Remove from the heat, stir in the cheese & tarragon.
Step #11 Serve the sauce over the polenta.
Enjoy the Polenta With Creamy Mushroom Sauce recipe