"Get all the bold, rich flavors of French onion soup (and a beef roast) on a cheesy bun with this delicious slow-cooker supper. MORE + LESS -..."
INGREDIENTS
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2 to 3 lb beef boneless chuck roast
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1 tablespoon Montreal steak seasoning
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1 1/2 teaspoons salt
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1 tablespoon vegetable oil
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2 tablespoons butter, melted
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2 tablespoons Muir Glen™ organic tomato paste
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1 tablespoon Dijon mustard
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1/4 cup packed brown sugar
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2 cups thinly sliced yellow onion
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6 cloves garlic, finely chopped
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2 tablespoons cornstarch
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2 tablespoons sherry vinegar
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12 burger buns, split
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2 cups shredded Swiss cheese (8 oz)
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1/4 cup chopped fresh Italian (flat-leaf) parsley leaves
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