01 - Place eggs in a saucepan and cover with cold water. Bring to a boil, then cover, remove from heat, and let stand for 10 minutes. Cool under cold running water, peel, and quarter.
02 - Boil baby potatoes in salted water until fork-tender, approximately 10 minutes. Drain, cool completely, and cut in half.
03 - In a large bowl, combine mixed salad greens, cherry tomatoes, red onion, cucumber, and cooled baby potatoes.
04 - In a small bowl, whisk together olive oil, apple cider vinegar, wholegrain mustard, honey, salt, and black pepper until fully emulsified.
05 - Drizzle the mustard vinaigrette over the salad mixture and toss gently to coat all ingredients evenly.
06 - Arrange hard-boiled eggs, cheddar cheese cubes, and pickled beets on top of the dressed salad. Serve immediately with additional black pepper if desired.