Dairy-Free Crispy Black Bean Mashed Potato Burgers

These black bean and mashed potato burgers deliver a hearty, plant-based patty with crispy exteriors and tender centers. The combination of smoked paprika and cumin creates warm, earthy flavors, while sauteed onion, bell pepper, and jalapeño add brightness and subtle heat. Panko breadcrumbs and mashed potatoes bind the beans into sturdy patties that hold up to grilling or baking. Perfect for vegetarians and anyone seeking a satisfying meatless burger, they work equally well as full-sized sandwiches or mini sliders for parties. Serve them on toasted buns with your favorite toppings, or pair with fries and slaw. This version stands out for its two-stage cooking method—first baking the beans until slightly dry for concentrated flavor, then sauteing the aromatics to develop depth before combining everything. The result is a burger with complex seasoning and excellent texture.
Ingredients
- 15 ounce canned black beans, drained
- ½ cup white onion, finely chopped
- ½ red bell pepper, finely chopped
- ½ jalapeño pepper, finely choppedserrano pepper0.75:1seasoning
increases heat significantly
- 2 clove garlic, minced
- 2 teaspoon smoked paprika
- 1 teaspoon ground cumin
- 1 egg
- 1 cup panko breadcrumbs
- 1 cup mashed potatoescooked sweet potato puree1:1bindertexture
adds earthiness and subtle sweetness
- ½ teaspoon salt
- ½ teaspoon ground black pepper
- 8 hamburger bun
Instructions
- 1
Preheat oven to 350°F. Spread black beans on a baking sheet and bake until split open and slightly dry, about 15 minutes.
- 2
Finely chop or pulse onion, bell pepper, jalapeño, and garlic with smoked paprika and cumin until combined.
- 3
Sauté the mixture in a skillet over medium heat for 5 minutes until fragrant. Press out excess moisture with a spatula.
- 4
Return to food processor and add baked beans, egg, breadcrumbs, mashed potatoes, salt, and pepper. Pulse until roughly combined or mix by hand.
- 5
Form into 8 regular patties or 12 to 15 mini patties.
- 6
For firm burgers throughout, bake on parchment at 375°F for 20 minutes, flipping halfway. For crispy outside and softer inside, brush with oil and grill or skillet-cook 5 to 8 minutes per side.
- 7
Serve warm on hamburger buns with desired toppings.
Tips
Dry the beans thoroughly in step one—moisture evaporation concentrates their flavor and helps the patties hold together without becoming dense or mushy when cooked.
Press out moisture from the sauteed aromatics before mixing everything together. This prevents the patties from falling apart and ensures they crisp properly rather than steam.
Chill formed patties for 30 minutes before cooking if you have time. Cold patties hold their shape better and develop better browning, especially if grilling.
Good to Know
Keep leftover patties covered in the refrigerator for 2 to 3 days. Reheat in a skillet or oven until warmed through.
Form patties up to one day ahead, cover, and refrigerate. Chill formed patties at least 30 minutes before cooking for better structure.
Serve warm on toasted hamburger buns with lettuce, tomato, avocado, vegan mayo, hot sauce, or your favorite burger toppings. Pair with fries, slaw, or a green salad.
Common Mistakes
Skip drying the beans in step one to avoid wet, falling-apart patties.
Overprocess the mixture to avoid dense burgers—pulse just until combined.
Neglect to squeeze out moisture from cooked aromatics to avoid soggy patties.
Substitutions
Gluten-Free Swaps
General Alternatives
increases heat significantly
adds earthiness and subtle sweetness
FAQ
Can I freeze these burgers?
Yes. Freeze uncooked patties on a baking sheet until solid, then transfer to freezer bags for up to three months. Cook from frozen, adding a few extra minutes to baking time. Cooked burgers can also be frozen in airtight containers for up to two months.
What if I don't have mashed potatoes?
Substitute cooked and mashed sweet potato, white potato, or even cauliflower in equal amounts. You can also use finely mashed chickpeas or additional panko if you reduce the liquid slightly. The texture will shift but the burger will hold together.
How do I make these vegan?
Replace the egg with three tablespoons aquafaba or a commercial egg replacer. Use vegan buns and verify all toppings are plant-based. The rest of the recipe is naturally vegan-friendly, making this an excellent choice for mixed dietary groups.