In advance, toast the nuts/seeds for approx 3 minutes in a dry frypan/skillet or until lightly browned or you can smell them. Keep them moving to prevent burning.
Arrange your greens on the serving platter.
Dice the bacon and fry until crisp. To the bacon, add the sugar and the French dressing and bring to the boil for a minute.
You can do a little taste taste at this point, making sure to cool the dressing in a spoon and not burn your tongue. If it's not tart enough for you, squeeze in a little lemon juice. Season as desired with salt and pepper.
Drizzle the hot dressing over your greens. Garnish with the nuts/seeds and, if using, spring onions (green onion/scallion) or herbs.
Serve while still dressing still warm.