Next Day Salad

large head of iceberg lettuce , torn

small head of raw cauliflower , broken up into florets

medium head of raw broccoli , broken up

finely chopped red onion

chopped, cooked bacon (about 9 slices)

freshly grated Parmesan cheese

real mayonnaise

granulated sugar , or to taste

apple cider vinegar

Creole or yellow mustard

kosher salt , or to taste

freshly cracked black pepper , or to taste

Creole or Cajun seasoning , or to taste, optional