Melt butter in a sauce pan. Remove from heat and stir in cocoa. Mix in the sugar, eggs and water. Add the flour and salt, beating well. Stir in the nuts.
Step 3
In each well of the waffle iron, add 1 well rounded spoonful. Cook brownie in waffle iron as you would cook waffles. Sprinkle confectioners' sugar over warm waffle brownies.