Baking a blue coconut sourdough bread was quite an exciting experiment for me. The combination of tart blueberries with the subtle sweetness of coconut flakes creates a flavor profile that's both refreshing and unique. When incorporating frozen blueberries during the second stretch and fold, I noticed that they release a bit of juice, which slightly colors the dough but also adds moisture. To balance this, I made sure to maintain the dough hydration carefully, using 175g of water to 263g of flour, which helped to keep the sourdough's texture light and airy. One key tip is to fold in the add-ins gently during the second set of stretch and folds to avoid crushing the blueberries too much, preserving both their shape and flavor. The slight sweetness from the 15g of sugar complements the natural tanginess of the sourdough starter and the fruity notes. Salt at 5g enhances the overall taste without overpowering. Using a healthy sourdough starter amount of 63g ensured the bread rose well during fermentation. I found the blue coconut sourdough is perfect toasted with a spread of cream cheese or even enjoyed plain as a snack. The coconut flakes add a nice texture contrast and a tropical hint, making this loaf stand out in any bakery. For nutrition, this bread offers a good balance of carbohydrates from the flour and natural sugars from the blueberries and coconut, along with beneficial fermentation byproducts from the sourdough process that support digestion. Experimenting with this recipe at home encourages creativity and brings a delightful twist to traditional sourdough baking.