In a pan on high heat, cook sliced mushrooms for 4 to 5 minutes until it releases all the water and reduces in size. As the mushroom cooks, heat a pot of salted water and cook the pasta until al dente.
After all the water has evaporated in the mushroom pan, add in butter, olive oil, onion, garlic, thyme and cook for 3 minutes until aromatic. Add white wine and allow it to simmer for 2 minutes.
Add in the cooked pasta, parsley and mix to combine the sauce with the pasta. Transfer to a serving plate and add capers. Sprinkle chopped parsley and freshly grated Parmigiano Reggiano for garnish.
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Keyword Mushroom Pappardelle, Mushroom pappardelle pasta, Pappardelle in mushroom sauce