05th bake. Prairie Gold, Kamut, malted wheat flour.

10-29-2019.

6:45 pm.  Mixed:

480 g home-milled, coarsely ground Prairie Gold hard white spring wheat, HWSW, grown by Wheat Montana.

3 g malted flour, Rahr Malted Red Wheat, home-milled, coarse, from whole grains purchased at brewer's supply.

36 g home-milled, coarse, Kamut.

Initial flour: 519.

Initial water: 412 g.  Initial hydration during autolyse: 412/519 = 79.38%

7:55 pm. Mixed in levain:  (Original culture from Carl Griffith's 1847 Oregon Trail Sourdough Starter.)

164 g levain, at 100% hydration. = 82 g flour + 82 g water.

total flour = 601 g.  total water so far = 494 g.

hydration so far: 494 / 601 = 82.19%

Percent Prefermented Flour: 82/ 601 = 13.64% 

9:15 pm. Mixed in salt and water: 

11.2 g salt.  11.2 / 601 = 1.86%

13.0 g water.

Total water = 507 g.

Final hydration: 507 / 601 = 84.35%

9:45 pm. Stretch and fold.

10:07 pm. Stretch and fold.

10:40 pm. Fold, shape, dust, put in lined banneton dusted with rice flour.  Cover in plastic bag. Put in fridge.

Bulk ferment time: 7:55 pm - 10:40 pm = 2 hrs 45 minutes.

Total weight: 601 g flour + 507 g water + 11.2 g salt = 1119.2 g = 2.46 pounds.

10-30-2019. 

9:15 - 9:30-ish am.  Pre-heat oven and combo cooker to *495/475.   15" diameter baking stone is on the rack below the rack where combo cooker sits.

10:12 am. Load onto pot (not skillet/lid) of Lodge 3.2 qt cast iron combo cooker. Bottom of pot is lined with parchment paper on top of corn meal. Score.

Cold proof time: 10:40 pm - 10:14 am = 11 hrs 34 min.

10:14 am - 10:29 am. Bake covered at *475/455 F.   15 minutes

10:29 am - 10:44 am. Bake covered at 420/400 F.  15 minutes.

10:44 am. - 11:28 am. Bake uncovered at 400/380 F.  44 minutes.  

Total bake time: 74 minutes. 

Internal temp at 11:14 (after 30 minutes uncovered) = 208.6 F.

final internal temp = 209.5 F.

* Oven thermostat is off by 20 degrees. 1st number is my oven setting, 2nd number is actual. 

Got some oven spring, but still not as much as I want.

Final weight of loaf after 2 hour cool: 915 g.  915 / 1119.2 = 81.75%.   Reduction = 18.25%.