"This lemon blackberry is a layered lemon cake with blackberry jam. There are three fluffy lemon cake layers full of homemade blueberry jam filling. It is topped with lemon cream cheese frosting...."
INGREDIENTS
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3 1/2 cups All-purpose flour
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2 tsp Baking powder
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1 tsp Baking soda
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1 tsp Salt
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3/4 cup Unsalted butter (room temperature)
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1/4 cup Oil (canola or vegetable oil)
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1 1/2 cups White granulated sugar
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3 Large lemons zested
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1/4 cup Lemon juice (freshly squeezed)
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1/4 cup Sour cream (room temperature)
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4 Large eggs (room temperature)
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1 cup Buttermilk (room temperature)
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3 cups Fresh or frozen blackberries
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3/4 cup White granulated sugar
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1 TBSP Lemon juice
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1/8 tsp Salt
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1 1/2 cups Unsalted butter (slightly cold)
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8 oz Cream cheese (room temperature)
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7 cups Powdered sugar (sifted)
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Zest of 1 lemon
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1/4 cup Lemon juice (freshly squeezed)
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1/2 tsp Salt