The bread works with spelt, white, oat, or gf all purpose flour. I prefer the oil version's flavor and texture, but if you're used to the texture of fat free baked goods then it's fine to sub applesauce or mashed banana. Preheat the oven to 350 F. Grease a 9×5 loaf pan. Stir dry ingredients in a large bowl, then whisk in everything but the blueberries. Add the berries, stirring very gently so they don't break and turn the loaf purple (which would still taste good, so no worries if they do burst). Smooth into the pan. Bake 50-55 minutes or until a toothpick inserted into the center comes out clean. If desired, frost the loaf with either melted coconut butter or 1/2 cup powdered sugar combined with 1 tbsp milk of choice or lemon juice.: When you mix the batter, you'll notice a different texture depending on the flour, from slightly denser with spelt to lighter with white all purpose. The scent will be subtly grainy before baking, and the dough should feel cohesive not dry. Why it matters, the flour choice alters gluten development and final crumb; choose what you prefer for chew and structure. Common trouble is overworking, which can make it tough, so mix just until combined.
I prefer the oil version's flavor and texture, but if you're used to the texture of fat free baked goods then it's fine to sub applesauce or mashed banana: You may detect a softer mouthfeel with oil, while applesauce brings a slightly fibrous feel and less sheen. The aroma will be fruitier when using applesauce, and the surface may appear less glossy. This matters because fat contributes to tenderness and shelf life; omitting it can dry the loaf sooner. A frequent mistake is swapping without adjusting liquid ratios, which can create a gummy crumb.
Preheat the oven to 350 F: Warmth fills the kitchen with a toasty scent as the oven reaches temperature, and this step ensures even rise from the start. Proper preheat prevents underbaked centers and uneven crust. An oven that is cooler than indicated can make the loaf dense, so use an oven thermometer if you suspect inaccuracies.
Grease a 9×5 loaf pan: Rubbing oil or lining the pan helps the loaf release cleanly, and you will see the edges pull away as it cools. Greasing also encourages even browning along the sides. Forgetting to grease risks sticking and lost slices, so give the pan a thorough coating.
Stir dry ingredients in a large bowl: As you whisk together flour , baking powder , salt , and baking soda , the air will lighten the mixture and distribute leavening evenly. This step creates a uniform base so the batter sets predictably in the oven. Skipping thorough stirring can leave pockets of baking powder which cause uneven bubbles and texture.
Then whisk in everything but the blueberries: Adding the wet mix to the dry yields a batter that should look thick and slightly lumpy without visible streaks of flour. The aroma of lemon juice will become pronounced and mingle with the sweetness. This matters because over mixing at this stage develops gluten and tightens crumb; gently combine until just combined to avoid toughness.
Add the berries, stirring very gently so they don't break and turn the loaf purple (which would still taste good, so no worries if they do burst): As you fold in the blueberries , you will feel the batter resist slightly, and the visual cue is intact pockets of dark blue. Folding preserves appearance and prevents the batter from becoming streaked. A common error is stirring vigorously, which causes the berries to burst and color the loaf uniformly, changing its look and texture.
Smooth into the pan: Spoon the batter into the prepared pan and even the top with a spatula, which should show a glossy, slightly domed surface. The loaf will bake into a uniform shape when the top is smooth. If the batter is uneven, the loaf can rise irregularly and create tunnels, so level it carefully before baking.
Bake 50 to 55 minutes or until a toothpick inserted into the center comes out clean: While baking, the kitchen fills with a citrus aroma and a golden crust forms. Look for gentle browning at the edges and slight spring back at the center. The toothpick test tells you the inside is set; remove it when it comes out mostly clean with a few moist crumbs. Underbaking leaves a gummy center, and overbaking dries the loaf, so check as it nears the lower end of the time range.
If desired, frost the loaf with either melted coconut butter or 1/2 cup powdered sugar combined with 1 tbsp milk of choice or lemon juice: A glossy finish brightens both taste and presentation, and the frosting adds a sweet contrast to the tart crumb. If you use melted coconut butter , it will firm as it cools, giving a slightly creamy sheen; the powdered sugar glaze will set into a thin shell. A typical pitfall is applying glaze while the loaf is too hot, which causes it to run off, so let the loaf cool enough to hold a glaze without it soaking away.