Preheat the oven to 350°F. Coat 9-inch loaf pan with cooking spray.
In a medium mixing bowl, whisk or sift together the 1 1/2 cups flour, 2 teaspoons baking powder and 1/4 teaspoon fine sea salt. Set aside.
In the bowl of stand mixer fitted with a paddle or a large mixing bowl using an electronic hand mixer, cream together the 12 ounces vanilla yogurt, 1 cup sugar, and 3 large eggs. Blend well and then add the 1 fresh lemon zest and juice and 1/2 cup vegetable oil Slowly, add dry mixture. Mixture might be a little lumpy.
In a small bowl, toss the 1 cup fresh blueberries with the 1 tablespoon flour. Fold in the blueberries to the batter by hand.
Pour the batter into the prepared loaf pan. Set the pan onto a baking sheet. Bake for 55-65 minutes, or until it passes the toothpick test. If the top starts to brown before the cake is fully cooked, cover the top loosely with aluminum foil.
Remove and allow to cool for 10 minutes before gently removing from the pan. It should come out easily, but if not, cut along the sides with a knife and then tap on the bottom until it releases.
Lemon Glaze
In a small bowl, whisk together the 1 1/2 cup powdered sugar , 1 tablespoon whole milk and 1 tablespoon fresh lemon juice .
When the cake has cooled, place it on a wire cooling rack and drizzle over top. Allow the glaze to dry, then slice and serve.
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Notes
Storage: Store your cake in a cool, dry place at room temperature. Make sure to keep it covered with plastic wrap or aluminum foil or in an airtight container. It should stay good and moist for up to 5 days.Freezing: This Lemon Blueberry Pound Cake is also freezer-friendly. Wrap very well in aluminum foil and/or freezer paper and store in the back of the freezer for up to 6 months. Thaw by unwrapping and sitting at room temperature for 3-4 hours.