"Sourdough Coffee Cake made with sourdough starter & enriched with butter, milk & eggs. The brown sugar crumb topping & vanilla glaze are the crowning glory...."
INGREDIENTS
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1 cup (8 oz, 224g) active sourdough starter (100% hydration)
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1/2 cup (4 oz, 120 ml) whole milk, warmed to 100°F
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2 cups (10 oz, 280g) all-purpose flour
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1/3 cup (2.5 oz, 70g) granulated sugar
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1/2 stick (2 oz, 56g) unsalted butter, melted and cooled to room temperature
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1 large egg, room temperature
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1 teaspoon vanilla extract
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1/2 teaspoon salt
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1/2 teaspoon cinnamon
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1/3 cup (2.5 oz, 70 grams) brown sugar
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1/3 cup (2.5 oz, 70 grams) granulated sugar
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1 cup (4 oz, 115 grams) walnuts
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2 teaspoons ground cinnamon
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pinch of salt
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1/2 cup (2.5 oz, 70g) all purpose flour
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1/2 stick (2 oz, 55g) unsalted butter, softened to room temperature
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Butter for pan prep
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1 egg, whisked
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1 cup (4 oz, 112g) confectioner's sugar
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2 tablespoons (1 oz, 30ml) whole milk
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1 teaspoon vanilla extract