11-26-2006 Oatmeal Cookie Ale

A ProMash Brewing Session Report

Brewing Date: Sunday November 26, 2006
Head Brewer: David Craft
Asst Brewer:   
Recipe: Oatmeal Cookie Ale


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): 12.00 Wort Size (Gal): 12.00
Total Grain (Lbs): 26.00      
Anticipated OG: 1.058 Plato: 14.29
Anticipated SRM: 14.4        
Anticipated IBU: 30.6      
Brewhouse Efficiency: 70  %   
Wort Boil Time: 90  Minutes   

Actual OG: 1.067 Plato: 16.26   
Actual FG: 1.012 Plato: 3.07   
Alc by Weight: 5.64 by Volume: 7.21 From Measured Gravities.
ADF: 81.1 RDF: 67.6 Apparent & Real Degree of Fermentation.

Actual Mash System Efficiency: 81 %
Anticipated Points From Mash: 54.25
Actual Points From Mash: 62.71


Pre-Boil Amounts
Evaporation Rate: 15.00 Percent Per Hour

Raw Pre-Boil Amounts - only targeted volume/gravity and evaporation
rate taken into account:

Pre-Boil Wort Size: 15.48 Gal      
Pre-Boil Gravity: 1.045 SG 11.20 Plato

With sparge water, mash water, additional infusions, vessel losses, top-up
water and evaporation rate recorded in the Water Needed Calculator:

Water Needed Pre-Boil Wort Size: 10.27 Gal      
Water Needed Pre-Boil Gravity: 1.068 SG 16.56 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
61.5 16.00 lbs.  Maris Otter    1.039 3
7.7 2.00 lbs.  Victory Malt America 1.034 25
3.8 1.00 lbs.  Brown Sugar (dark) Generic 1.046 60
15.4 4.00 lbs.  Biscuit Malt Belgium 1.035 24
7.7 2.00 lbs.  Toasted Flaked Oats    1.033 2
3.8 1.00 lbs.  Brown Malt Great Britain 1.032 70

Potential represented as SG per pound per gallon.

Hops
Amount  Name Form Alpha IBU Boil Time
2.00 oz.  Cascade Plug 6.90 25.2 60 min
1.00 oz.  Amarillo Gold Pellet 8.00 5.3 20 min


Extras
Amount  Name Type Time
2.00 Unit(s)  Whirlfloc tablets Other 15 Min.(boil)


Yeast
White Labs WLP001 California Ale


Water Profile
Profile: Greensboro
Profile known for:   
Calcium(Ca): 50.0 ppm
Magnesium(Mg): 10.0 ppm
Sodium(Na): 10.0 ppm
Sulfate(SO4): 20.0 ppm
Chloride(Cl): 5.0 ppm
biCarbonate(HCO3): 10.0 ppm
pH: 6.90


Mash Schedule
Mash Type: Single Step   
Heat Type: Direct   
Grain Lbs: 25.00   
Water Qts: 28.08 Before Additional Infusions
Water Gal: 7.02 Before Additional Infusions
Qts Water Per Lbs Grain: 1.12 Before Additional Infusions
Tun Thermal Mass: 0.00   
Grain Temp: 80 F Before Additional Infusions

Rest Temp Time
Dough In: 0 0 Min
Saccharification Rest: 152 45 Min
Mash-out Rest: 170 15 Min
Sparge: 170 0 Min

Total Mash Volume Gal: 9.02 - After Additional Infusions

Runnings Stopped At: 1.010 SG 2.56 Plato

All temperature measurements are degrees Fahrenheit.


Notes
Add a dash of vanilla and 1 teaspoon of cinnamon to boil last 5 min. Toast the Oats at 350 till they smell like cookies, about 15 min, and age in brown paper bag 1 weeks.Toast 2 cups of pecans, grind fine, and add to mash. Brown malt can be made by taking pale malt and toasting it a 350 deg for 15-20 min.




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