Before starting, wash and dry all produce. Cut cucumber into 1/4-inch rounds. Core, then cut apple into 1/4-inch slices.Finely chop half the dill (use all for 4 ppl).

Pat chicken dry with paper towels. Season chicken all over with garlic salt and pepper.

Heat a large non-stick pan over medium-high heat.When hot, add 1 tbsp (2 tbsp) oil, then chicken. Cook until chicken is golden-brown and cooked through, 3-4 min per side.**

Meanwhile, add mayo, vinegar, dill and 1/2 tsp (1 tsp) sugar to a large bowl.Season with salt and pepper, then stir to combine.

Add cucumbers, apples and spinach to the bowl with dressing, then toss to combine.

Divide salad between plates. Top with garlic chicken.