Line a muffin tin with 12 liners. Spray with cooking spray unless you are using parchment paper liners.
Preheat the oven to 350 degrees
Whisk together the sour cream, sugar, eggs, melted butter, and lemon zest in a bowl.
In a separate bowl, whisk together the flour, salt, baking powder, and baking soda
Reserve 2 tablespoons of the flour mixture and toss it with the blueberries in a bowl. This will help the blueberries not sink to the bottom of the muffins when they bake.
Add the dry ingredients to the wet and mix until just combined. Do not over mix.
Fold in the blueberries
Pour the sour cream blueberry muffin batter into the lined muffin tins
Bake the blueberry muffins at 350 degrees for 20 - 23 minutes, until a toothpick inserted comes out clean
Remove muffins onto a wire cooling rack to cool completely