Best Fluffy Blueberry Roll Recipe

Ingredients (pan size: width 31cm x height 22) 300g bread flour Instant dry yeast 8g, sugar 60g, salt 6g 160g cold milk, 1 cold egg 60g room temperature butter Blueberry Cream Cheese Filling: 200g soft cream cheese at room temperature, simmered blueberries Cream Cheese Frosting Recipe Room temperature soft cream cheese 90g, butter 40g, vanilla extract, sugar powder tip When using a stand mixer or bread maker, use cold moisture ingredients, Even when kneading by hand, use cold moisture materials in summer. the oven will preheat