Studded with plump, juicy berries, the cake also features a sprinkling of turbinado sugar on top that adds another dimension of texture. And you may want to drink coffee all day long! This was a good cake but even with the flavor additions and glaze it still wasnt sweet. This is a basic recipe, adjust to your taste! 5 (1 Review) 10-16 servings. This baked in exactly 30 minutes, completely cooked through. DIRECTIONS. Beat butter with electric mixer until creamy. Luckily I dumped it out and it stayed in one piece. In another small bowl, stir together I made a few changes (used 1/3 cup whole wheat flour, the rest all-purpose flour; used nonfat yogurt for half the sour cream, and used regular sour cream). While that recipe is fabulous, I wanted to try this recipe which makes a smaller, lower calorie cake. If you want a sweet cake add more sugar, plain and simple. 2 hr 40 min. For a little more taste and texture, some of the topping is layered with the batter.This Sometimes you need just a little something to go along with your coffee. This moist, tender blueberry coffee cake scored high in our Test Kitchens, where tasters unanimously considered it a delicious way to use the first blueberries of the season. Jump to recipe. Set aside. But it isnt birthday cake its coffee cake. Gradually add 1/2 c sugar and beat 2 to 3 minutes. Luckily, I have just the thing for you. Blueberry Sour Cream Coffee Cake. Blueberry Sour Cream Coffee Cake. Add eggs and next 3 ingredients and beat until smooth. Preheat oven to 350 degrees F. For topping, in a small bowl, combine brown sugar, nuts, and cinnamon.