Preheat oven to 375*F. Grease or line 12 muffin cups.
1 3/4 cup all-purpose flour
1/2 cup sugar
2 1/2 teaspoon baking powder
3/4 teaspoon salt
3/4 cup milk
1/3 cup vegetable oil
1 cup fresh or frozen blueberries (or really ANY berries you like)
1/4 cup chopped walnuts ( I have never added these as I rarely buy them)
Stir (or sift) together the flour, sugar, baking powder and salt into a medium sized bowl.
Beat together egg, milk and oil in a small bowl until blended.
Add liquid ingredients all at once to dry ingredients.
Stir lightly just until moistened (batter will be lumpy). Gently stir in berries and nuts (if you want them). Divide batter evenly among muffin cups, filling 2/3 full.
Bake for 25 minutes. Serve warm with butter.
I cut this recipe out of a Good Housekeeping magazine YEARS ago and it has been our go to recipe for muffins ever since.