INGREDIENTS
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2 canning jars, wide mouth
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1 cup all-purpose flour
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1 cup sugar
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1/2 teaspoon baking soda
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1/4 teaspoon ground cinnamon (optional)
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1/3 cup butter or margarine
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1/4 cup water
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3 tablespoons unsweetened cocoa powder
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1/4 cup buttermilk
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1 egg, beaten
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1/2 teaspoon vanilla extract
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1/4 cup walnuts, finely chopped