From The Fannie Farmer Baking Book
Pre-heat oven to 350° F. Grease and flour a 8x8" pan.
Cream:
| 8 | tablespoons softened butter |
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Slowly add and mix well:
| 1/2 | cup granulated sugar |
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Beat in:
| 2 | eggs |
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| 1 | teaspoon vanilla extract |
Combine together and add into the first mixture:
| 1 1/4 | cup flour |
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| 1 | teaspoon baking powder |
| 1/4 | teaspoon baking soda |
| 1/4 | teaspoon salt |
Beat in until the batter is blended and perfectly smooth:
| 1/2 | cup sour cream |
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Blend in:
| 1 | cup blueberries |
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In a small bowl mix together:
| 1/2 | cup brown sugar |
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| 1 | teaspoons cinnamon |
| 1 | cup chopped pecans (or walnuts) |
Pour half the batter into the prepared pan, sprinkle with half the brown-sugar-nut mixture, spread the remaining batter, then sprinkle with the remaining brown-sugar-nut mixture. Bake for approximately 45 minutes (until a toothpick comes out clean) at 350° F.