"“A topping of toffee bits, oats and brown sugar adds crunch to this quick and simple coffee cake. Brew some coffee and enjoy!”..."
INGREDIENTS
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2 cups all-purpose flour
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3/4 cup firmly packed light brown sugar
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3/4 cup granulated sugar
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1/2 cup (1 stick) butter, softened
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3/4 cup toffee bits
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1/2 cup quick-cooking oats
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1 cup milk
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1/2 teaspoon vinegar
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1 teaspoon baking soda
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1 large egg
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1 teaspoon vanilla extract