"Portobellos, the "steak" of mushrooms, are meaty enough to satisfy vegetarians and nonvegetarians alike. The mushrooms also make a great side dish...."
INGREDIENTS
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4 large portobello mushrooms
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1/3 cup ketchup
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1/4 cup red onion
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1/4 cup Dijon mustard
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1 tbsp brown sugar
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1 tbsp cider vinegar
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1 clove garlic
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1/4 tsp pepper