Preheat the oven to 400 degrees F.
In a medium size bowl, add the flour, sugar, baking powder, salt and mix together.
Add the egg, canola oil and milk. Mix together. With a spatula or large spoon, gently stir in the blueberries.
To a cupcake paper-lined muffin pan, add the batter evenly for each muffin. Set aside for a moment.