This is Another Delicious Grain Bread, quite different from the preceding one. The sunflower seeds and sesame seeds are toasted for 5 or 6 minutes at 380°F prior to the mix, and they add a nuttiness to the flavor profile. The flax provides taste, color, and, not insignificantly, nutrition. This version is naturally leavened and favors an overnight fermentation. It can, however, be baked the day it is mixed, in which case a couple of hours or so of final proofing at room temperature will be required. Alternatively, up to 1 percent or so of baker’s yeast can be added to the dough; this will speed up fermentation and bring the bread from the oven much more quickly, but slightly at the expense of the fullest flavor, which is best developed in this bread through natural leavening and long fermentation.