"This vegetarian Portobello Pot Roast recipe is quick and simple to prep, easy to cook in the Instant Pot or slow cooker, and it’s full of the classic savory flavors we all love!..."
INGREDIENTS
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1.25 pounds Yukon gold potatoes, cut into bite-sized pieces
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2 large carrots, peeled and cut into bite-sized pieces
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2 cups frozen pearl onions*
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4 cloves garlic, peeled and minced
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3 sprigs fresh thyme
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3 cups vegetable stock, divided
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1/2 cup dry red or white wine
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3 tablespoons tomato paste
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2 tablespoons worcestershire
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2 tablespoons cornstarch
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Kosher salt and freshly-cracked black pepper
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optional garnish: finely-chopped fresh parsley