Easy
Set the water to boil, and while boiling, stir in the butter. Then add the flour, and stir continually till the paste leaves the sides of the saucepan. Set the mixture to cool. When cool, stir one after another, the four eggs in, after each egg is added, beat well until smooth. After adding the last egg, beat very vigorously for about four minutes; then drop by tablespoonfuls on buttered tins. Watch carefully so that they will not burn. When cold make an opening inside, through the side of the paste, with a sharp knife, and fill it with the following Custard:
Rub the corn starch in