Cook the bacon: In a skillet, cook the bacon until crispy. Drain on paper towels and crumble once cooled.
Prepare broccoli: Rinse and chop broccoli into bite-sized florets.
Mix the dressing: In a small bowl, whisk together mayonnaise, apple cider vinegar, sweetener, salt, and pepper.
Combine ingredients: In a large mixing bowl, add broccoli, bacon, cheddar cheese, red onion, and sunflower seeds.
Add dressing: Pour the dressing over the salad and toss until everything is well coated.
Chill: Let the salad rest in the fridge for at least 10 minutes before serving to allow flavours to meld.
Serve: Enjoy chilled or at room temperature.