"This small batch streusel coffee cake recipe is baked in a 6-inch round pan. The cake is moist and swirled with cinnamon, then topped with crunchy streusel...."
INGREDIENTS
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⅓ cup (2.35 ounces or 67 grams) granulated sugar
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⅓ cup (1.5 ounces or 43 grams) all-purpose flour
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1 teaspoon ground cinnamon
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¼ teaspoon kosher salt
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2 Tablespoons (1 ounce or 28 ounces) unsalted butter, melted and cooled slightly
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⅓ cup tightly packed (2.5 ounces or 71 grams) light OR dark brown sugar
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1 ½ teaspoons ground cinnamon
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¼ teaspoon Dutch-processed cocoa powder
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1 ¼ cups (5.65 ounces or 160 grams) all-purpose flour
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¾ teaspoons baking powder
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¼ teaspoon kosher salt
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⅓ cup (2.65 ounces or 75 grams) whole milk, at room temperature
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¼ cup (2 ounces or 57 grams) sour cream, at room temperature
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1 teaspoon pure vanilla extract
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4 Tablespoons (½ stick or 2 ounces or 57 grams) unsalted butter, at room temperature
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½ cup (3.5 ounces or 99 ounces) granulated sugar
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2 Tablespoons tightly packed light OR dark brown sugar
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1 large egg, at room temperature