Microwave 2 sweet potatoes in their wrappers on high, 6-8 min, flipping halfway through (caution, that's a hot potato!); set aside to cool + chop into bite-size pieces

Meanwhile, cut onion in half from root to stem, peel + thinly slice ½ of onion

Chop meat into ½-inch pieces; heat 1 tbsp oil in skillet over med-high + cook chicken undisturbed 3 min until starting to brown; flip meat + sauté 3-5 min more until fully cooked + no pink remains; save ½ the chicken for later; set aside

Heat 1 tsp oil in same pan over med-high; sauté onion + half the kale with salt/pep, 2-3 min; add meat + potatoes to pan + drizzle all with 2-4 tbsp sauce