Gee, didn't everyone know this? smileys/smile.gif
I have made the mistake of melting butter and chocolate together, adding the eggs and flour but then BEATING the darn stuff too long.
The ABSOLUTELY WORST brownies I have ever had, bar none others. Tough, dry, nasty. My snack sucking, vacuuming family would not finish, once they tasted them.
Technique is quite all in brownie making.