Tommy's Blue Cheese Coleslaw (with Bacon and Grapes) Recipe

¼ cup sour cream

¼ cup mayonnaise

1 tablespoon apple cider vinegar

1 tablespoon stone ground mustard

1 ½ teaspoons white sugar

⅔ cup blue cheese crumbles

or to taste

1 (10 ounce) package shredded cabbage and carrot mix

¼ cup sliced red grapes

4 strips cooked bacon

chopped

salt and ground black pepper to taste