INGREDIENTS
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8 ounces button mushrooms
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1 medium yellow onion, peeled
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1 large green or red bell pepper
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1 1/2 pounds beef sirloin, fat trimmed by the butcher or an adult
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1 tablespoon Baby Bam
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1/4 cup Worcestershire sauce
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1/4 cup soy sauce
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2 tablespoons balsamic vinegar
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2 tablespoons vegetable oil
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1 tablespoon chopped garlic