Peel and cut the sweet potatoes into medium cubes (about ¾ inch / 2 cm). Place the potatoes in a bowl, add olive oil, smoked paprika, cumin, salt, and black pepper, then toss to coat well.
1 ½ lbs sweet potatoes, peeled and cut into ¾ inch (2 cm) cubes, 1 ½ tbsp olive oil, ½ tsp salt, ⅓ tsp black pepper, 1 tsp smoked paprika, ½ tsp cumin
Spread the sweet potatoes on a baking sheet in a single layer and bake at 400°F (200°C) for 15 minutes.
In the same bowl, mix green beans with olive oil, garlic, and salt.
1 lb fresh green beans, trimmed, ½ tbsp olive oil, 4 garlic cloves, minced, ¼ tsp salt
Add the green beans to the baking sheet with the sweet potatoes and gently stir. Return to the oven for 15–20 minutes, until the sweet potatoes are caramelized and the beans are tender-crisp. Serve warm.