Anyway I'll get to the point , given the total lack of a Best Scotch anywhere over here on the Isle of Man and as a nostalgia trip I'm going to have a crack at making an extract version .
This is where you lot come in especially my fellow North Easterner's who know what Scotch tastes like , I don't think I'm going to get the right flavour using just lme or dme so I'm going to dip my toe into the world of grain steeping I'm guessing either Chocolate or Roast barley will be right for the colour but which one is likely to give the burnt toast/coffeeish hints that are needed . So the next question will be quantity of whatever grain . I'll be going for my usual 20l batch and aiming for somewhere around 1,037-1,038 as my OG , something akin to a mild on the IBU scale would seem right so with that in mind and using my usual calculator I've got this rough idea for my recipe . The red highlighted bits are the things I could do with a bit of advice on , as usual any help is much appreciated

100g (Chocolate malt or roasted barley) ?? <--- Does this seem about right ? My method will be to get said stuff , crush it up with a rolling pin then hoy in a bag and steep for about 30 min @ 60c ish
1Kg Amber dme
1Kg brew enhancer
50g Northern Brewer hops @7.7% a.a , seems to be a popular choice for Porters & Stouts so seems a reasonable idea but any alternative suggestions would be good
Anyone think that black treacle or a bit of muscovado sugar might be right in this ?
Workhorse or British Ale yeast
That's pretty much it I reckon .