The sweet potato cubes need a little time on their own in the hot oven before the tomatoes and broth join the pan. Add the liquid too early and the vegetables simmer instead of roast. I let the potatoes, onion, and red pepper roast first, then stir in the beans and tomato mixture to finish this Sheet Pan Roasted Sweet Potato and Black Bean Chili.
That order gives you tender sweet potatoes and a bubbling, spoonable chili without dirtying a second pan. The tomato paste adds body, while the fire-roasted tomatoes bring their juices right into the sauce. After a short rest on the baking sheet, each serving has a good mix of soft vegetables, black beans, and rich tomato broth.
Kitchen Note
Keep the sweet potato cubes close to the same size so they soften at the same pace. After the chili comes together, let it sit on the pan for the full five minutes; the liquid settles and the servings are easier to scoop.
Save this sheet pan sweet potato and black bean chili for a cozy, plant-based dinner with roasted vegetables and a tomato-rich finish.
Why the Sweet Potatoes Roast Before the Chili Gets Its Liquid
Sweet potatoes need direct heat and a little space to soften and develop roasted edges. Once the tomatoes and broth go onto the sheet, the vegetables sit in a moist mixture; that’s useful for finishing the chili, but it’s not the same as roasting. Separating those stages keeps the sweet potatoes from spending the entire cook in tomato liquid.
The first roast also gives you a clear doneness check before the pan gets harder to stir. Pierce a potato cube with a fork: it should be tender before the beans and tomatoes go in. If it’s still firm in the middle, give the vegetables more time rather than asking the final, shorter roast to do all the work. When the wet ingredients are added, stir carefully so the softened cubes stay in recognizable pieces. The finish is ready when the chili is bubbling and heated through, not when every vegetable has dissolved into the sauce.
What Each Ingredient Brings to This Roasted Chili
- Sweet potatoes — They bring a naturally sweet, hearty bite that balances the chili spices. Choose firm potatoes and cut them into even cubes; uneven pieces can finish at different times. There isn’t a close swap that keeps the same sweet, soft center.
- Yellow onion and red bell pepper — These roast alongside the potatoes and build the vegetable base. Fresh pieces hold their shape better through both oven stages than vegetables that are already cooked or softened.
- Olive oil and the dry spices — The oil helps the chili powder, cumin, smoked paprika, salt, and pepper coat the vegetables before roasting. Fresh, aromatic spices make the seasoning more noticeable; if your paprika is smoked, it brings a distinct smoky note that regular paprika won’t fully match.
- Garlic — Minced garlic goes in with the wet ingredients rather than at the start of the roast, so it joins the chili without spending the full cooking time exposed on the pan.
- Black beans — Draining and rinsing the canned beans keeps their canning liquid from changing the texture of the tomato base. They add a firm, substantial bite alongside the soft sweet potatoes.
- Fire-roasted tomatoes — Their juices become part of the chili, and the fire-roasted flavor adds a lightly charred edge. Regular diced tomatoes work in the same amount, though the finished dish will have less of that smoky, roasted character.
- Tomato paste and vegetable broth — Paste thickens and deepens the tomato base; broth loosens it into a spoonable chili. Regular vegetable broth can replace low-sodium broth, but it will make the finished pan saltier, so keep that difference in mind.
Roast First, Then Turn the Pan Into Chili
Coat the vegetables right on the sheet
Heat the oven to 425°F and set out an 18×13-inch rimmed baking sheet. Add the sweet potatoes, onion, red bell pepper, olive oil, chili powder, cumin, kosher salt, smoked paprika, and black pepper directly to the pan. Toss until the vegetables look evenly coated, then spread them into a single layer. Crowding them into a mound makes it harder for the hot oven to reach each piece evenly.
Give the vegetables their dry-roast time
Roast for 25 to 30 minutes, stirring once halfway through. The vegetables should be tender when pierced with a fork, and the onion and pepper should look softened. If the potatoes are still firm, use the fork test rather than judging by the color of the pan. The cubes need to be tender before the tomato mixture goes in.
Stir in the beans and tomato base
Add the minced garlic, drained and rinsed black beans, fire-roasted diced tomatoes with their juices, tomato paste, and vegetable broth. Stir carefully, scraping across the sheet so the paste disperses into the liquid instead of staying in a concentrated clump. The mixture will look looser at this stage than it will after its final roast. Take care not to mash the tender sweet potatoes as you combine everything.
Roast until bubbling, then let it settle
Return the pan to the oven for 10 to 12 minutes, until the chili is bubbling and heated through. Look for bubbles across the tomato mixture, not just at the edges. Let the pan rest for five minutes before serving; the short pause gives the liquid a chance to settle. Scoop from the bottom of the sheet so each portion gets vegetables, beans, and sauce.
Easy Adjustments for Heat, Smoke, and Sodium
Make the seasoning gentler
Use 1 teaspoon of chili powder instead of 2 for a milder pan. The cumin and smoked paprika still give the vegetables a warmly seasoned taste, but the chile note won’t be as prominent.
Dial back the smoky flavor
Replace the smoked paprika with regular paprika in the same amount. You’ll keep a mild pepper flavor while losing the distinct smoke that the fire-roasted tomatoes and smoked paprika bring together.
Choose a lower-sodium bean option
Use a 15-ounce can of no-salt-added black beans in place of regular canned black beans, then drain and rinse them as usual. The chili will have less sodium from the beans while keeping the same hearty texture.
Storage and Reheating
- Refrigerator: Transfer leftovers to an airtight container and refrigerate within 2 hours. They keep for 3 to 4 days; the sweet potatoes soften further as they sit.
- Freezer: Freeze cooled portions in airtight freezer-safe containers for up to 3 months. Thaw overnight in the refrigerator for a more even reheat; the potatoes may be softer after freezing.
- Reheating: Warm gently in a covered saucepan over low heat, stirring occasionally, or microwave in a covered microwave-safe bowl, stirring partway through. Reheat to 165°F, and avoid prolonged high heat, which can break down the sweet potato pieces.
Questions That Come Up With Sheet Pan Chili
Sheet Pan Roasted Sweet Potato and Black Bean Chili
Ingredients
Equipment
Method
- Heat the oven to 425°F.
- Set out an 18x13-inch rimmed baking sheet.
- Toss the sweet potatoes, onion, bell pepper, olive oil, chili powder, cumin, salt, smoked paprika, and black pepper directly on the baking sheet.
- Spread the mixture into an even layer.
- Roast for 25 to 30 minutes, until the sweet potatoes are tender when pierced with a fork.
- Stir once halfway through roasting.
- Add the garlic, black beans, diced tomatoes with their juices, tomato paste, and vegetable broth to the pan.
- Stir carefully to combine.
- Roast for 10 to 12 minutes, until the chili is bubbling and heated through.
- Let rest on the pan for 5 minutes before serving.