INGREDIENTS
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1/2 cup olive oil
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1/2 cup soy sauce
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3 cloves garlic, minced
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1 teaspoon black pepper
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2 pounds sirloin steak, cut in 1-inch cubes
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1 red bell pepper, seeded and cut in 1-inch pieces
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1 orange bell pepper, seeded and cut in 1-inch pieces
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1 green bell pepper, seeded and cut in 1-inch pieces
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1 red onion, cut in 1-inch pieces
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8 (12-inch) metal skewers