01 -
Get your oven hot at 400°F. Put paper cups in your muffin pan.
02 -
Stir flour, sugar, salt, and baking powder together in a big bowl.
03 -
Blend oil, milk, egg, and vanilla in another bowl until smooth.
04 -
Pour wet stuff into dry stuff and stir just enough. Carefully add blueberries.
05 -
Fill muffin cups with the mix and cook for 15-20 minutes.