In a large bowl, toss cubed sweet potatoes with 1 tablespoon olive oil, 1/2 teaspoon smoked paprika, and salt; roast at 400°F (200°C) for 25 minutes until tender.
Season chicken breasts with remaining paprika, cumin, garlic powder, salt, and pepper.
Grill chicken over medium-high heat for 6-7 minutes per side until internal temperature reaches 165°F (74°C); rest for 5 minutes before slicing.
Rinse quinoa and combine with water/broth in a saucepan; bring to a boil, then simmer covered for 15 minutes until liquid is absorbed.
Massage kale with 1 tablespoon olive oil and lime juice to soften the texture.
Assemble bowls by layering quinoa as the base, followed by kale, roasted sweet potatoes, black beans, and sliced grilled chicken.
Garnish with avocado slices and fresh cilantro.