I just racked my second AG, first porter to the secondary and poured off a glass, but for the lack of carbonation, it was pretty much ready (though I'll leave in secondary to be sure). It sounds similar to what you want, tweak as desired.
BeerSmith Recipe Printout -
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Recipe: Porter First AG
Brewer: Aaron Seelye
Asst Brewer:
Style: Robust Porter
TYPE: All Grain
Recipe Specifications
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Batch Size: 5.50 gal
Boil Size: 6.74 gal
Estimated OG: 1.055 SG
Estimated Color: 32.5 SRM
Estimated IBU: 42.0 IBU
Brewhouse Efficiency: 70.0 %
Boil Time: 60 Minutes
Ingredients:
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Amount Item Type % or IBU
10.15 lb Pale Malt (2 Row) US (2.0 SRM) Grain 82.5 %
1.00 lb Caramel/Crystal Malt - 30L (30.0 SRM) Grain 8.1 %
0.90 lb Chocolate Malt (350.0 SRM) Grain 7.3 %
0.25 lb Black (Patent) Malt (500.0 SRM) Grain 2.0 %
1.65 oz Northern Brewer [7.00%] (60 min) Hops 37.8 IBU
0.50 oz Fuggles [4.20%] (15 min) Hops 3.4 IBU
0.50 oz Fuggles [4.20%] (3 min) Hops 0.9 IBU
1 Pkgs Nottingham (Danstar #-) [Starter 3000 ml] Yeast-Ale
Mash Schedule: My Mash
Total Grain Weight: 12.30 lb
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Name Description Step Temp Step Time
Step Add 15.38 qt of water at 165.8 F 153.0 F 60 min
Step Add 8.00 qt of water at 207.5 F 170.0 F 10 min