Buttermilk Blueberry Breakfast Cake

 https://alexandracooks.com/2011/06/29/buttermilk-blueberry-breakfast-cake/

We added a drizzle of lemon icing when the bread came out of the oven, because it’s delicious. Bread is great both warm from the oven & at room temp

INGREDIENTS

• ½ cup (8 tablespoons | 4 oz | 113 g ) unsalted butter, room temperature
• zest from 1 large lemon
• 1 cup (214 g)  sugar 
• 1 egg, room temperature
• 1 tsp. vanilla
• 2 cups (256 g) all-purpose flour (set aside 1/4 cup of this to toss with the blueberries)
• 2 tsp. baking powder
• 1 tsp. kosher salt (I like 1.25 tsp)
• 2 cups fresh blueberries, picked over
• ½ cup buttermilk
• Juice from 1 lemon
• 1 cup powdered sugar

• INSTRUCTIONS

  1. Preheat the oven to 350ºF. Using a stand mixer or hand-held mixer, cream the butter with the lemon zest and the 1 cup minus 1 tablespoon of sugar until light and fluffy.
  2. Add the egg and vanilla and beat until combined. Meanwhile, toss the blueberries with ¼ cup of flour, then whisk together the remaining flour, baking powder and salt.
  3. Add half of the flour mixture to the batter, and stir with spatula to incorporate. Add all of the buttermilk. Stir. Add remaining flour, and stir until flour is absorbed. Fold in the blueberries. (Leave excess flour from the blueberry bowl behind.)
  4. Grease an 8- or 9-inch square baking pan with butter or coat with non-stick spray.  Spread the batter into the pan. Bake for 35 to 45 minutes — a 9-inch pan will be done in closer to 35 minutes; an 8-inch pan usually needs 40 to 45 minutes. Check with a toothpick for doneness. If necessary, return pan to oven for a couple of more minutes. (Note: Baking for as long as 10 minutes more might be necessary, especially if you’re using a smaller pan such as an 8×8-inch. It’s not unusual for this cake to take 50 minutes, so just be patient.) 
  5. Stir together powdered sugar & lemon juice (add a bit of the juice at a time until it makes a thick glaze-you won’t use all of the juice). Pour glaze over warm cake
  6. Let cool at least 15 minutes before serving.