Preheat oven to 400 degrees and line muffin cups or spray with cooking spray
Combine 3 Cups Flour, 1 1/2 Cup Sugar, Salt and Baking Powder in large bowl
Put 2/3 Cup oil in measuring container, add egg, and enough milk to fill to 2 cups
Add in dry ingredients, gently stir in blueberries
Divide batter into 24 muffin cups