Give this a try. (If you don't have pale chocolate, use 1/2 the amount in standard chocolate malt. You can also vary the crystal 25 with something in that range, 10 to 20 is fine.):

Northern Brown 

A ProMash Recipe Report 

BJCP Style and Style Guidelines 
------------------------------- 

10-B Brown Ale, Northern Brown 

Min OG: 1.040 Max OG: 1.050 
Min IBU: 15 Max IBU: 30 
Min Clr: 12 Max Clr: 30 Color in SRM, Lovibond 

Recipe Specifics 
---------------- 

Batch Size (Gal): 6.00 Wort Size (Gal): 6.00 
Total Grain (Lbs): 10.75 
Anticipated OG: 1.046 Plato: 11.52 
Anticipated SRM: 14.1 
Anticipated IBU: 24.2 
Brewhouse Efficiency: 70 % 
Wort Boil Time: 90 Minutes 

Pre-Boil Amounts 
---------------- 

Evaporation Rate: 15.00 Percent Per Hour 
Pre-Boil Wort Size: 7.74 Gal 
Pre-Boil Gravity: 1.036 SG 9.00 Plato 

Formulas Used 
------------- 

Brewhouse Efficiency and Predicted Gravity based on Method #1, Potential Used. 
Final Gravity Calculation Based on Points. 
Hard Value of Sucrose applied. Value for recipe: 46.2100 ppppg 
% Yield Type used in Gravity Prediction: Fine Grind Dry Basis. 

Color Formula Used: Morey 
Hop IBU Formula Used: Rager 

Additional Utilization Used For Plug Hops: 2 % 
Additional Utilization Used For Pellet Hops: 10 % 


Grain/Extract/Sugar 

% Amount Name Origin Potential SRM 
----------------------------------------------------------------------------- 
74.4 8.00 lbs. Pale Malt(2-row) Great Britain 1.038 3 
7.0 0.75 lbs. Crystal 40L America 1.034 40 
4.7 0.50 lbs. Crystal 25L Britan 1.035 25 
4.7 0.50 lbs. Victory Malt America 1.034 25 
2.3 0.25 lbs. Chocolate Malt - Light Great Britain 1.034 200 
7.0 0.75 lbs. Special Roast Malt America 1.033 40 

Potential represented as SG per pound per gallon. 


Hops 

Amount Name Form Alpha IBU Boil Time 
----------------------------------------------------------------------------- 
1.00 oz. Goldings - E.K. Pellet 5.90 24.2 60 min. 


Extras 

Amount Name Type Time 
-------------------------------------------------------------------------- 
1.00 Unit(s)Whirlfloc Fining 20 Min.(boil) 


Yeast 
----- 

White Labs WLP002 English Ale 


Water Profile 
------------- 

Profile: 
Profile known for: 

Calcium(Ca): 0.0 ppm 
Magnesium(Mg): 0.0 ppm 
Sodium(Na): 0.0 ppm 
Sulfate(SO4): 0.0 ppm 
Chloride(Cl): 0.0 ppm 
biCarbonate(HCO3): 0.0 ppm 

pH: 0.00 


Mash Schedule 
------------- 

Mash Type: Single Step 

Grain Lbs: 10.75 
Water Qts: 16.90 - Before Additional Infusions 
Water Gal: 4.22 - Before Additional Infusions 

Qts Water Per Lbs Grain: 1.57 - Before Additional Infusions 

Saccharification Rest Temp : 154 Time: 60 
Mash-out Rest Temp : 168 Time: 10 
Sparge Temp : 170 Time: 60 


Total Mash Volume Gal: 5.09 - Dough-In Infusion Only 

All temperature measurements are degrees Fahrenheit.