Yes, you can refrigerate whole wheat bread dough overnight, or even for up to 24-48 hours, before baking. This slow fermentation can improve the flavor and texture of the bread.
Refrigerating whole wheat bread dough slows down the yeast activity. This extended, cooler fermentation period offers several benefits:
Flavor Development: The longer fermentation allows for more complex flavor compounds to develop, resulting in a richer, more nuanced taste in the final bread.
Improved Texture: Slow fermentation strengthens the gluten structure, leading to a chewier and more elastic crumb.
Easier Handling: Chilled dough is firmer and less sticky, making it easier to shape and work with.
Convenience: Refrigerating the dough allows you to break up the bread-making process, preparing the dough one day and baking it the next.
Here's how to refrigerate your whole wheat bread dough:
Prepare your whole wheat bread dough according to your recipe.
After the initial kneading, place the dough in a lightly oiled bowl, turning to coat.
Cover the bowl tightly with plastic wrap or a lid.
Refrigerate for 8-24 hours (or up to 48 hours for even more flavor development).
When ready to bake, remove the dough from the refrigerator and let it sit at room temperature for 30-60 minutes to warm up slightly. This will allow the yeast to become active again.
Shape the dough, let it rise according to your recipe, and bake as usual.
When refrigerating dough, use a larger bowl than you normally would for the initial rise at room temperature. The dough will still rise, albeit slowly, in the refrigerator, and you want to ensure it doesn't overflow.