"It takes only 15 minutes of prep to assemble this hearty, homey dish; let your slow-cooker do the rest...."
INGREDIENTS
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1 tablespoon olive oil
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Coarse salt and ground pepper
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1 can whole tomatoes in puree (28 ounces)
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1 large onion, cut into 8 wedges
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1 tablespoon fresh rosemary, chopped (or 1 teaspoon dried and crumbled)
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3 pounds beef chuck roast, trimmed and halved crosswise
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4 garlic cloves, halved lengthwise
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1 1/4 pounds small white potatoes, scrubbed