This Sweet Potato & Black Bean Quinoa Bake brings vibrant Mexican-inspired flavors together in one healthy, easy casserole. It’s gluten-free, dairy-free, vegan, and perfect for meal prep.

Cinco de Mayo is right around the corner, so why not celebrate with a comforting casserole that captures classic Mexican flavors? This Sweet Potato & Black Bean Quinoa Bake is a simple, satisfying one-dish meal that comes together with minimal hands-on time.
It’s perfect for busy weeknights: you combine the ingredients in a single baking dish and let the oven do the work. The dish is hearty and filling, packed with fiber and plant-based protein, so it works well as a standalone entree or a nourishing side. Because it’s vegan and dairy-free, it’s a great option for those avoiding animal products, and it stores beautifully for easy lunches or dinners during the week.

The quinoa cooks right in the casserole, so there’s no need for stovetop prep. Sweet potatoes provide natural sweetness and substance, black beans add protein and creaminess, and corn brings a pop of texture. The seasoning is straightforward — chili powder, cumin, garlic salt and a touch of thyme — creating a savory, slightly smoky profile. If you prefer, swap the quinoa for brown rice for a different texture.
This casserole is versatile. If you don’t need it to be vegan, feel free to stir in shredded chicken, cooked ground meat, or top it with cheese before serving. It also works well as a taco filling or spooned over a salad. Leftovers are excellent the next day — try topping a warmed portion with a fried egg and avocado for a hearty breakfast.

A couple of tips: cut the sweet potatoes into roughly 1/2-inch cubes so they become tender during baking. For best results, bake the dish covered for the first 45 minutes so the quinoa absorbs liquid and the potatoes soften. Then remove the foil and bake an additional 15–20 minutes to reduce excess liquid and allow the top to take on a bit of color. Let the casserole rest for about 5 minutes after you remove it from the oven so any remaining liquid is absorbed and the bake firms up.
You can easily adapt the vegetables and seasonings to your taste — bell peppers, zucchini or yellow squash would all work well. Finish with chopped green onions for freshness or serve with sliced avocado for creaminess. The recipe is flexible and forgiving, making it ideal for busy cooks.

Hope you enjoy this Sweet Potato & Black Bean Quinoa Bake! If you make it and love it, feel free to leave a rating and share your photo — it’s always fun to see your versions of the recipe!
Sweet Potato and Black Bean Quinoa Bake

Ingredients
- 4 cups sweet potatoes, 1/2-inch cubes
- 1 (15 oz) can black beans, drained and rinsed
- 1 cup uncooked quinoa, rinsed
- 1 cup frozen corn, thawed
- 2 cups vegetable broth
- 1 tsp. chili powder
- 2 tsp. cumin
- 1 tsp. garlic salt
- 1/2 tsp. dried thyme
- 1/2 cup green onions, chopped
Instructions
- Preheat oven to 375°F.
- Combine all ingredients except the green onions in a 9×13-inch baking dish coated with cooking spray. Cover with foil and bake for 45 minutes.
- Remove the foil and bake an additional 15–20 minutes, until most of the liquid is absorbed and the sweet potatoes are tender.
- Take the casserole out of the oven and let it rest for 5 minutes to allow any remaining liquid to absorb. Sprinkle with green onions, serve, and enjoy.
Notes
Nutrition
Nutrition information is automatically calculated and should be used as an approximation.