- Preheat oven to 400 degrees F (200 degrees C). Grease muffin cups or line with muffin liners.
- Combine 1 1/2 cups flour, 3/4 cup sugar, salt and baking powder.
- Place vegetable oil into a 1 cup measuring cup; add the egg and enough milk to fill the cup.
- Mix this with flour mixture. Fold in blueberries.
- Fill muffin cups right to the top.
- Bake for 20 to 25 minutes in the preheated oven, or until done.