Blueberry Sour Cream Coffee Cake Recipe

Name: Blueberry Sour Cream Coffee Cake Recipe
Prep time: 15 min
Cook time: 1 h
Total time: 1 h 15 min
Cuisine: American
Ingredients: 2 tablespoons brown sugar; ¼ teaspoon cinnamon (ground); ¼ cup walnuts (chopped); 2½ cups flour (350 grams, all-purpose ); 1 teaspoon baking powder; 1 teaspoon baking soda; 1 cup brown sugar (lightly packed, scant cup); ⅔ cup vegetable oil (or sunflower oil); 1 egg (lightly beaten, room temperature); 1 cup sour cream (room temperature); ½ teaspoon almond extract; 1 teaspoon lemon zest (from organic lemon); 2 cups blueberries (fresh or frozen)