"Five ingredients make saucy meatball sandwiches a snap to prepare!..."
INGREDIENTS
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2 medium onions, sliced
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2 packages (12 ounces each) frozen cooked Swedish-style meatballs
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2 jars (12 ounces each) beef gravy
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1 teaspoon ground nutmeg
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8 hoagie buns (about 7 inches long)