INGREDIENTS
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1 tablespoon olive oil
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1 green pepper, seeded and sliced
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1/2 sweet onion, sliced
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1 (8 ounce) package refrigerated crescent rolls
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1/2 pound good quality deli roast beef (about 8 slices)
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⅛ teaspoon garlic powder
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4 slices provolone
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1 large egg
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1 teaspoon water
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Pinch of dried oregano, optional