Bake at 375 for 30-40 minutes, or until a toothpick inserted in the middle comes out clean.
Allow to cool on a cooling rack for 10 minutes before cutting into 10 slices and eating.
Plain yogurt can be substituted for the sour cream.
The provided nutrition information does not include any added sodium from seasoning to taste, any optional ingredients, and it does not take brands into account. Feel free to calculate it yourself using this calculator or by adding the recipe to Yummly.