sugar (actually scant, "almost" 1/2)
Heat oven to 375. Beat egg. Mix by hand: Add sugar and water. Beat in flour, baking powder and salt. Add melted butter and cinnamon.
Pour into lightly greased pie pan. Dot with pats of butter and lightly sprinkle top with cinnamon. Bake until center springs back when touched (about 40 min). Serve warm with butter or jam.