I'm a newby here and although I have spent many hours viewing this site I really have a long ways to go.

I have followed the Artisan Bread in 5 minutes main recipe and had some success. So now I found some 12 grain flour and substituted 1 1/2 cups for the allpurpose(4.5 cups) plus yeast salt and water. When i nixed it the dough felt really course and now I'm afraid of my outcome. What should I have done? I was hoping to be able to make some small rolls for our lunch boxes but I'm afraid of what will come out.