No-Knead Whole Wheat Sweet Potato Bread

We like to make whole wheat sandwich bread at home. We use a pain de mie bread pan, a French loaf pan that comes with a lid so the finished bread has perfectly square slices (although whether or not we use the lid depends on our mood). Sometimes perfect squares are desirable; sometimes we prefer a slightly bigger piece of bread. This dough will work either way. As for flour, we are partial to the King Arthur white whole wheat for its flavor, but you can use the whole wheat flour of your choice. This is a wet dough that will bake up into a moist, cakey loaf, excellent for toast and sandwiches.