Boil 2 lbs russet potatoes in their skins until tender, about 30–40 minutes. Peel while warm and mash until smooth. Let cool slightly.
2 lbs russet potatoes
Mix mashed potatoes with 1 large egg and 1 tsp salt. Gradually add 2 cups all-purpose flour until a soft dough forms.
1 large egg, 1 tsp salt, 2 cups all-purpose flour
Divide dough into 4 portions. Roll each into a long rope about ½-inch thick. Cut into 1-inch pieces. Roll each piece over a fork to create ridges.
Bring a large pot of salted water to boil. Cook gnocchi in batches; they’re done when they float, about 2–3 minutes. Drain and set aside.
Heat 2 tbsp olive oil and 2 tbsp unsalted butter in a large skillet over medium-high heat. Add 1/2 cup cremini mushrooms, 1/2 cup shiitake mushrooms, 1/2 cup baby bella mushrooms, and 1/2 cup oyster mushrooms in a single layer (do not crowd the pan) and cook until deeply browned, about 6–8 minutes. Remove mushrooms and set aside.
2 tbsp olive oil, 2 tbsp unsalted butter, 1/2 cup cremini mushrooms, 1/2 cup shiitake mushrooms, 1/2 cup baby bella mushrooms, 1/2 cup oyster mushrooms
In the same pan, sauté 1 small onion1 carrot, and 1 celery stalk until soft, 6-8 minutes. Add 3 cloves garlic and 1 tbsp tomato paste and cook for a few more minutes until darkened in color, stirring occasionally. Deglaze the pan with ½ cup red wine, scraping up any browned bits.
1 small onion, 1 carrot, 1 celery stalk, 3 cloves garlic, 1 tbsp tomato paste, ½ cup red wine
Return mushrooms to the pan, add 1/2 cup beef broth, 1 14.5 oz can crushed tomatoes, and 2 tsp fresh thyme. Simmer for 10 minutes until sauce thickens. Season with 1 tsp salt and 1 tsp black pepper, add more or less to taste.
1 tsp salt, 2 tsp fresh thyme, 1/2 cup beef broth, 1 14.5 oz can crushed tomatoes, 1 tsp black pepper
Toss cooked gnocchi with mushroom ragu until coated. Serve hot topped with 1/4 cup fresh parsely and freshly grated 3/4 cup parmesan cheese.
3/4 cup parmesan cheese, 1/4 cup fresh parsely