sessions.rb

    if user = User.authenticate(params[:user]["email"], params[:user]["password"])
      #set_current_account(user)
      session[:email]="mycookie@email.com"
      redirect "/user"
    else  
      flash[:error]= 'There was a problem signing you in. Please try again.'
      render "sessions/login", :layout => !request.xhr?
    end

user.haml

=session[:email]