Cook chicken with barbecue sauce. This will depend on your method
If using a Deep Covered Baker: place chicken in the baker, coat with a 1/3 cup barbecue sauce and toss. Microwave 12 minutes.
If using the oven: Heat oven to 350F dice up chicken, toss with 1/3 cup barbecue sauce and bake 15-20 minutes.
If using a slow cooker: place chicken in the bottom, coat with 1/3 cup barbecue sauce and toss. Cook on high 3 hours or low 6 hours.
Salad
While chicken is cooking slice red onion thinly. Divide spinach, red onion, sugar snap peas among four plates. Add 1 tbsp grated parmesan cheese per plate.
Once chicken is cooked, let cool and dice. Add to the top of the salad. Drizzle with remaining 1/3 barbecue sauce.