Preheat the oven to 425°F. Peel and chop the sweet potatoes into 1" cubes and toss with a generous drizzle of olive oil, then season with cajun seasoning, smoked paprika and salt. Bake for 30 minutes.
Prepare the mango corn salsa by adding the mango, corn, tomatoes, red onion, lime juice, salt and pepper to a small bowl. Mix to combine. Place in the fridge until ready to serve.
Prepare the mashed avocado by mashing the avocado in a bowl with a fork or potato masher and mixing with salt, pepper, garlic powder and lime juice.
Prepare the black beans by adding the black beans, cajun seasoning, smoked paprika and salt to a sauté pan over low heat. Heat until just warm - about 5-8 minutes, stirring frequently.
Assemble the bowls adding the quinoa, roasted sweet potatoes, black beans, mashed avocado and mango corn salsa. Enjoy!