Iceberg Salad with Homemade Blue Cheese Dressing

blue cheese, crumbled

mayonnaise

plain Greek yogurt

red wine vinegar

salt and freshly ground pepper

radishes, trimmed and thinly sliced into rounds

green onions, white and green parts cut into 1/4” thick pieces

celery stalks from the center of the bunch, cleaned and sliced into 1/4” thick slices

large heat of iceberg lettuce, wilted outer leaves removed

to 6 oz blue cheese, crumbled

fleur de sel and freshly ground pepper