INGREDIENTS
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3-4 pounds short ribs, bone left on **see note below
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1 teaspoon kosher salt
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1/2 teaspoon freshly ground black pepper
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3 tablespoons extra virgin olive oil
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1 cup sweet onion diced, such as Vidalia
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1/4 cup fresh basil, chopped, plus more for garnish
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1 cup marsala wine (do not use the Marsala cooking wine from the supermarket, get real Marsala drinking wine)
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1 1/2 cups beef stock (store bought is fine, or see here)
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1 cup water
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1 bay leaf
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2 large portabella mushroom caps *see note
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2 plum tomatoes, cut into eight pieces
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1 tablespoon balsamic vinegar
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2 tablespoons butter
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3 tablespoons all-purpose flour
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1/4 cup heavy cream
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1 20-ounce package Asiago-filled fresh tortelloni (or any fresh cheese-filled tortelloni available at your market)