Are you using walnuts that are already roasted? Try using chopped, raw walnuts in your baking. If you notice any large exposed chunks on the top of your bread before it goes into the oven, just tuck them in slightly using a toothpick. This should help! Kye@KAF
August 21, 2016 at 2:13pm
In reply to Why do walnuts always turn black in my zucchini bread no matter… by Doreen McDaniels (not verified)