INGREDIENTS
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2 Tbsp active yeast
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3/4 cup warm water
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4 cups white flour
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3 Tbsp sugar
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1 egg
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1/2 cup butter, room temperature
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Salt to taste
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1/2 lb ham, sliced
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1 tomato, sliced in rounds
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1/2 lb mozzarella cheese, sliced
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Oregano, to taste
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1 egg yolk, for brushing