Cook bacon in skillet over medium heat.
Be sure the heat is not so hot that the bacon scorches.
Transfer cooked bacon to paper towel-lined plate to drain.
When cool, crumble the bacon into small pieces; set aside.
For salad dressing: Mix sour cream, mayonnaise, sugar, vinegar, salt and pepper in a mixing bowl.
Set aside.
Place thawed peas in a bowl.
Add cheese, onion, bacon and parsley.
Add half of the salad dressing ingredients and combine.
Refrigerate a couple of hours.
While salad is refrigerating, hard boil the eggs.
After cool, peel eggs and cut into quarters.
Remove salad from refrigerator and add remaining salad dressing.
Stir to combine.
Place hard-boiled egg quarters on top of salad and refrigerate until ready to serve.