INGREDIENTS
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Dough
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2-1/4 teaspoons active dry yeast
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1-1/2 cups warm water
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1/4 cup extra-virgin olive oil + oil for bowl and baking sheet
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1-1/2 tablespoons kosher salt
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4 to 5 cups unbleached white flour
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Topping
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2 tablespoons extra-virgin olive oil
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3 cups chopped onions
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1 teaspoon dried oregano
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1 teaspoon dried basil
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5-oz. grated Parmesan cheese
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4 to 5 fresh plum tomatoes, sliced