Prepare all ingredients as listed.
Add the water and cucumber slices to a pitcher. Refrigerate while preparing the meal. Add ice before serving, if desired.
Preheat the oven to 425°F (218°C) and preheat a grill or grill pan to medium heat.
Toss the sweet potatoes with olive oil and black pepper. Spread onto a sheet pan and roast for 15 minutes.
Whisk together the ingredients for the bbq sauce in a small saucepan. Simmer over low heat for 5–7 minutes, stirring occasionally, until thickened. Set aside.
Season the chicken with the smoked paprika and black pepper. Grill on both sides to an internal temperature of 165°F (74°C), Once done brush with BBQ sauce. Transfer to a plate, squeeze lemon juice on top, and rest for 5 minutes before slicing.
Heat the pinto beans in a small saucepan with ¼ of the BBQ sauce and a splash of water until warmed through.
Grill zucchini: Drizzle with oil and pepper. Grill the zucchini until nicely charred and tender on both sides.
Portion the sweet potatoes and BBQ beans into a bowl(s). Top with sliced chicken, drizzle with the remaining BBQ sauce, and garnish with scallions.
Serve the chicken bowl with grilled zucchini, pear slices, and cucumber water.