Step 1

(9:00 a.m.)In a small container, mix the Levain ingredients and keep it at a warm temperature for 5 hours.

Step 2

(9:10 a.m.)Right after making the levain, prepare the seed soaker. Add the soaker ingredients to a heat-proof bowl. Cover the bowl and let rest until called for in bulk fermentation.

Step 3

(1:00 p.m)In a medium mixing bowl, add the 587g medium-protein bread flour, 236g whole wheat flour, and 542g water 1 and mix until no dry bits remain. Cover the bowl and let rest for 1 hour.

Step 4

(2:00 p.m.)To the mixing bowl holding your dough, add the honey and levain and a splash of water. Mix thoroughly and strengthen the dough for about 5 minutes. Let the dough rest for 10 minutes in the mixing bowl. Add the salt, another splash of water, and mix until incorporated. Strengthen the dough further if necessary until it’s elastic and smooth. Transfer the dough to a bulk fermentation container and cover.

Step 5

(2:15 a.m. to 5:45 p.m.)This dough will need 3 sets of stretch and folds during bulk fermentation. First, mix together the soaked and cooled sesame seeds with the sunflower seeds. Before you give your dough its first set of stretch and folds, spread about 1/4 of the mix-ins over the top of the dough. Add the rest of the mix-ins in the same way through the remaining folds for the first set. Perform two more sets of gentle stretch and folds during this 3 1/2 hour period, then let the dough rest the remainder of bulk fermentation.

Step 6

(5:45 p.m.)Lightly flour your work surface and scrape out your dough. Using your bench knife, divide the dough in half. Lightly shape each half into a round shape. Let the dough rest for 35 minutes, uncovered.

Step 7

(6:20 p.m.)Shape the dough into a round (boule) or oval (batard) and roll in the white sesame seeds to top, if desired. Then, place the dough in proofing baskets.

Step 8

(6:30 p.m. to 9:00 a.m. the next day)Cover proofing baskets with reusable plastic and seal shut. Then, place both baskets into the refrigerator and proof overnight.

Step 9

(The next day, bake at 9:00 a.m.)Preheat your oven with a baking surface or combo cooker/Dutch oven inside to 450°F (230°C).