Classic Blueberry Muffins Recipe

Name: Classic Blueberry Muffins Recipe
Ingredients: 12 ounces all-purpose flour (2 1/3 cups; 340g); 5 1/4 ounces sugar (3/4 cup; 145g); 2 teaspoons (8g) baking powder; 3/4 teaspoon (3g) Diamond Crystal kosher salt; for table salt, use half as much by volume or use the same weight; 1/4 teaspoon baking soda; 1/4 teaspoon ground coriander seed; 1/8 teaspoon grated nutmeg; 6 ounces unsalted butter (1 1/2 sticks; 170g), cut into 1/2-inch cubes; 4 ounces milk, any percentage (1/2 cup; 115g); 2 large eggs, cold; 2 teaspoons (9ml) vanilla extract (optional); 12 ounces fresh blueberries (2 cups; 340g); 2 ounces sparkling sugar (1/3 cup; 55g) (optional)