Make hard-boiled eggs: Fill a large pot with water and bring to a boil. Carefully place eggs in the hot water. Place the lid on the pot, reduce heat to low, and cook the eggs on a bare simmer for 12 minutes.
Remove the eggs to an ice bath and chill for 10-15 minutes. Carefully peel the eggs.
Slice the eggs in half lengthwise. Remove egg yolks and place in a mixing bowl. Using a fork, mash the yolks.
Add the sour cream, mustard, shredded cheese, bacon, chives, garlic powder, salt, and pepper. Mix well. You may add more sour cream to reach desired smoothness.
Taste for seasoning, and add more salt and pepper as needed. Spoon or pipe the yolk mixture into the halved egg whites. Garnish with additional cheese, chives, and bacon, if desired. Chill and serve.
Nutrition: the nutrition facts are calculated for 2 egg halves. There are 12 servings in this recipe. One serving has .8 NET carbs.Make-Ahead: boil the eggs and peel the day before making the deviled eggs. They can be filling up to 12 hours ahead but wait to garnish them until right before serving.