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Export 11 ingredients for grocery delivery
Step 1
Add the oil and butter to a skillet over medium-high heat. Once the butter has melted, add the mushrooms and onions.
Step 2
Sauté until the mushrooms have released their water, it cooks off, and the mushrooms and onions are nicely seared (about 10-12 minutes).
Step 3
Reduce the heat to medium and stir in the garlic, Dijon mustard, Italian seasoning, and lemon juice. Cook for about 30 seconds.
Step 4
Stir in the white wine and let it bubble for about 30 seconds - 1 minute.
Step 5
Pour in the cream and cook for another 3-5 minutes or until the sauce has thickened to your liking.
Step 6
Season with salt & pepper to taste (I am fairly generous with cream sauces) and stir in the chopped parsley. Serve immediately.