To prepare a Swiss sherry chicken recipe, first you need to prepare the ingredients for the recipe. First, you'll need the following ingredients: 2 tblsp. of sour cream. 2 tablespoons of sugar. 1 cup of water. 1/2 cup kosher salt. 1/4 cup freshly grated nutmeg. Salt and pepper to taste. Cut the chicken breasts in half lengthwise. Place the breast halves cut side down on the prepared baking sheet. Bake in the preheated oven for 20 minutes or until the internal temperature reaches 165 degrees. Remove from the oven and let rest for 5 minutes before serving.