My mysterious blueberry muffin recipe.( for 12 muffins )
2C flour
1C sugar
IT baking powder
1t baking soda
1/2 the salt
1 egg
I stick unsalted butter.
That is basic.
After this, you may creative your way.
Milk, buttermilk. Sour cream etc..
Please forget 1C blueberries.
350 at 30 minutes.