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1
Preheat oven to 350 degrees F. Spray an 8-inch square cake pan with cooking spray.
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2
Whisk together the all-purpose and whole-wheat flours, the baking soda and salt.
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3
In a small bowl, stir together the granulated sugar, cinnamon and walnuts.
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4
In a large bowl, beat the brown sugar, butter and oil until fluffy.
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5
If necessary, use the back of a spoon to press out any lumps in the brown sugar.
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6
Beat in the eggs, 1 at a time, beating until fully combined.
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7
Beat in the vanilla and yogurt.
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8
Add the flour mixture in 2 batches, stirring until just combined.
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9
Spread half of the batter into the prepared pan.
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10
Sprinkle half of the nut mixture over the batter and top with the blueberries, gently pressing them into the batter.
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11
Spoon the rest of the batter into the pan, smoothing the top.
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12
Sprinkle the remaining nut mixture over the cake, pressing gently.
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13
Bake until a wooden toothpick inserted in center comes out clean, about 30 to 35 minutes.
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14
Let cool slightly and then unmold and allow to cool completely on a cooling rack.
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15
Cut the cake into 2-inch squares.
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16
Per Serving
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17
(serving size, 1 piece)
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18
Calories 210; Total Fat 8.5 g; (Sat Fat 2 g, Mono Fat 2.5 g, Poly Fat 3 g) ; Protein 5 g; Carb 30 g; Fiber 2 g; Cholesterol 41 mg; Sodium 230 mg
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19
Good source of: Thiamin