INGREDIENTS
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3 sticks unsalted butter, room temperature, plus more for pan
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3 cups plus 2 tablespoons all-purpose flour (spooned and leveled), plus more for pan
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1 teaspoon baking soda
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1 teaspoon fine salt
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4 peaches, peeled, pitted, and diced small
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2 1/4 cups sugar
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6 large eggs, room temperature
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1 1/4 cups sour cream
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1 1/4 teaspoons pure vanilla extract
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1 1/4 teaspoons ground cinnamon
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Whipped cream (optional)
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All-purpose flour