In a mixer, combine all ingredients and blend all together. Once mixed, beat the mixture on medium for 5 minutes.
Grease an angelfood cake pan. Pour the batter into the cake pan. Bake at 350 degrees for 1 hour.
1 1/2 cups powdered sugar, 2 TBSP butter, the juice that you can squeeze out of a fresh lemon, 1/4 cup warm tap water (if it comes out thick, add more water). In a mixer, blend all ingredients until smooth.
Ice the cake after the cake is cool.