D.P. Whitmer's Blueberry Muffins(This Recipe Won Third Place in "Connecticut Post" Contest.)

Lightly spray the inside of muffin tins with nonstick spray. With a paper towel or tissue, gently wipe the spray inside each muffin cup.

Spread soft butter around inside of each muffin cup liberally.

Set aside tins in cool place.

Into a bowl, put 1/3 cup flour, 1/3 cup confectioners sugar and 1/2 teaspoon cinnamon; mix well, then add the fresh or hard frozen berries and mix well. Reserve at room temperature.