Combine the olive oil, Dijon mustard, balsamic vinegar, garlic, salt, and pepper. Add the chicken and toss until evenly coated. Cover and marinate in the fridge for at least 30 minutes, or up to 8 hours for the most flavor.
To make the dressing, whisk all of the vinaigrette ingredients together until smooth and well combined. Set aside in the fridge until you’re ready to assemble the salad.
Heat a grill or grill pan over medium heat. Once hot, add the chicken and cook for 5 to 7 minutes per side, or until fully cooked through. Remove from the heat and let the chicken rest before slicing.
While the chicken rests, slice the peaches into large wedges so they’re easier to grill.
Using the same grill or grill pan over medium heat, cook the peach slices for 1 to 2 minutes per side, until lightly caramelized. Remove from the heat and set aside.
Prep the remaining toppings by thinly slicing the red onion and roughly chopping the basil.
Once the chicken has rested, slice it into strips.
To assemble the salad, add the arugula to a large serving dish, then arrange the sliced chicken over top. I like to use a bit of a zig-zag method so everything is spread out evenly. It’s also just cute.
Last but certainly not least, add the grilled peaches, burrata, red onion, basil, and nuts. Drizzle the hot honey vinaigrette over the top, add some freshly cracked pepper, and finish with an extra drizzle of hot honey.