Directions:

Preheat oven to 400 degrees F

Combine flour, salt, sugar and baking powder.

Beat eggs in separate bowl; add butter and sour cream.

Combine liquid with dry ingredients, stirring only long enough to moisten dry mixture. Fold in blueberries.

Fill greased muffin tins about 2/3 full and bake for 20 to 30 minutes, or until toothpick comes out clean when inserted into center of muffin.