Marinate the chicken: In a bowl, toss chicken with 1/2 cup BBQ sauce, olive oil, smoked paprika, garlic powder, onion powder, pepper, and salt. If you have time, let it sit 15–30 minutes.
If not, move on.
Make the creamy drizzle: In a small bowl, whisk yogurt (or sour cream) with 1–2 tbsp BBQ sauce, lime juice, and a pinch of salt. Adjust to taste and set aside.
Cook the cauliflower rice: Heat 1 tbsp oil in a large skillet over medium heat. Add garlic and cook 30 seconds until fragrant.
Add riced cauliflower, salt, and pepper. Sauté 4–6 minutes, stirring often, until tender with a little bite. Stir in lime juice or vinegar if using.
Transfer to bowls or keep warm.
Cook the chicken: In the same skillet (wipe if needed), heat a light drizzle of oil over medium-high. Add the chicken in a single layer. Cook 5–7 minutes, stirring once or twice, until cooked through and lightly charred at the edges.
If it looks dry, splash in a tablespoon of water to loosen. Toss with a spoonful of extra BBQ sauce to glaze.
Warm the corn and beans: Heat corn and black beans in a small pan or the microwave until warm. Season with a pinch of salt and pepper.
Assemble the bowls: Add a base of cauliflower rice.
Top with BBQ chicken, corn, black beans, bell pepper, and red onion. Add avocado, cilantro, jalapeños, and green onions.
Finish and serve: Drizzle with the creamy sauce and a little extra BBQ sauce if you like. Serve with lime wedges for squeezing.