Blueberry Cornmeal Coffee Cake - Blueberries

Ingredients

• 1-pint blueberries
• 1/4 teaspoon fine kosher salt
• 2 tablespoons granulated sugar
• 2 tablespoons lemon juice
• 1 1/2 cups all-purpose flour (195 grams)
• 1/2 cup plus two tablespoons cornmeal (98 grams )
• 3/4 teaspoon fine kosher salt
• 3/4 teaspoon baking powder
• 1/2 teaspoon baking soda
• 1/2 teaspoon ground cinnamon
• 12 tablespoons unsalted butter, at room temperature
• 1 cup granulated sugar (220 grams)
• 3 large eggs, at room temperature
• 2 teaspoons vanilla extract
• 1/2 cup sour cream, at room temperature (113.5 grams)
• 2 tablespoons milk
• 4 tablespoons unsalted butter, gently melted (57 grams)
• 2 teaspoons ground cinnamon
• 1/2 cup brown sugar, lightly packed (106 grams)
• 3/4 cup plus two tablespoons all-purpose flour (114 grams)
• 1/2 cup blueberries