Cozy Chicken Heart Soup is perfect for boosting nutrient density as the weather cools. Our family seemed to be on the verge of getting sick this week and I have been focusing on cozy favorites like braised roasts, our favorite Pho, marrow, and simple soups. We started this week with this Chicken Liver Mousse, so I didn’t think we needed more liver, but was still focusing on nutrient-density as I scoured my freezer. I found one lone bag of chicken hearts and knew that now would be a good time to use it….