"This coffee cake is made New York style with a thick layer of crumble and a buttery cake base. It's rich, decadent, but not too sweet!..."
INGREDIENTS
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1 2/3 cup (215g) all-purpose flour
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1/4 cup (30g) cornstarch
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1/2 cup (105g) light brown sugar, packed
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1/2 cup (100g) granulated sugar
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1 tsp ground cinnamon
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3/4 cup (180g) salted Kerrygold butter, melted
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1/4 cup (55g) salted Kerrygold butter, room temp
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3/4 cup (150g) granulated sugar, divided
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2 large eggs, room temp
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1 tbsp vanilla extract
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1 cup (230g) sour cream, room temp
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3/4 tsp baking soda
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1/4 tsp kosher salt
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1 1/2 cups (195g) all-purpose flour
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Powdered sugar, for dusting