01 - Preheat oven to 425°F.
02 - Toss cubed sweet potatoes with 1 tbsp olive oil, 1/2 tsp salt, and 1/4 tsp pepper. Spread evenly on a baking sheet.
03 - Combine chicken breast with 1 tbsp olive oil, smoked paprika, garlic powder, 1/2 tsp salt, and 1/4 tsp pepper in a bowl. Arrange on a separate baking sheet.
04 - Place both baking sheets in oven. Roast for 25-30 minutes, flipping halfway through, until potatoes are tender and chicken reaches internal temperature of 165°F.
05 - Remove chicken from oven and let rest for 5 minutes. Slice into strips.
06 - While roasting, dice bell pepper, halve cherry tomatoes, and slice avocado.
07 - In small bowl, mix Greek yogurt, lemon juice, cumin, salt, and pepper until smooth.
08 - Divide spinach among four containers. Top with roasted sweet potatoes, sliced chicken, bell pepper, cherry tomatoes, and avocado. Drizzle with sauce and garnish with cilantro and lime wedges.