Preheat oven to 400°.
Combine first 6 ingredients in a medium bowl; add blueberries, and toss to coat. Make a well in center of flour mixture. Combine milk and next 5 ingredients; add to flour mixture, stirring just until dry ingredients are moistened.
Spoon batter into 12 muffin cups coated with cooking spray, filling two-thirds full. Bake at 400° for 20 to 25 minutes or until golden. Remove muffins from pans immediately, and cool on wire racks.