Robust Porter

Just threw together this robust porter. Came out at 5.75gal/1.067sg for 80% efficiency.

Recipe Specifications
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Batch Size: 5.75 gal
Boil Size: 7.50 gal
Estimated OG: 1.067 SG
Estimated Color: 35.4 SRM
Estimated IBU: 42.5 IBU
Brewhouse Efficiency: 80.00 %
Boil Time: 75 Minutes

Ingredients:
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Amount Item Type % or IBU
11.00 lb Pale Malt (2 Row) US (2.0 SRM) Grain 80.00 %
1.00 lb Caramel/Crystal Malt - 80L (80.0 SRM) Grain 7.27 %
1.00 lb Special B Malt (180.0 SRM) Grain 7.27 %
0.50 lb Chocolate Malt (350.0 SRM) Grain 3.64 %
0.25 lb Black (Patent) Malt (500.0 SRM) Grain 1.82 %
1.00 oz Nugget [13.00 %] (75 min) Hops 38.5 IBU
0.50 oz Williamette [7.80 %] (10 min) Hops 4.0 IBU
1 Pkgs Safale American (DCL Yeast #US-05) Yeast-Ale


Mash Schedule: Temperature Mash, 1 Step, Medium Body
Total Grain Weight: 13.75 lb
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Temperature Mash, 1 Step, Medium Body
Step Time Name Description Step Temp
60 min Saccharification Add 17.19 qt of water at 165.9 F 154.0 F
10 min Mash Out Heat to 168.0 F over 10 min 168.0 F

I'd not use more than a 1/4 pound of special B, but other than that I like it.