6In another bowl, mix together 1.5 cups of all-purpose flour, 1/4 cup of white sugar, 1/2 cup of brown sugar, 1/2 teaspoon of baking soda, and a pinch of salt.
7Add dry ingredients to the wet ingredients and mix gently.
8Fold in 1 cup of blueberries.
9Grease the loaf pan with butter.
10Pour the batter into the prepared pan and spread evenly.