Crispy Sweet Potato & Lentil Burgers

Hearty, Wholesome & Perfectly Golden

If you’re looking for a plant-based burger that’s hearty, flavorful, and genuinely satisfying, Crispy Sweet Potato & Lentil Burgers deserve a permanent place in your recipe collection. These burgers are golden and crisp on the outside, soft and savory on the inside, and packed with nourishing ingredients that make them just as filling as any meat-based option.

Sweet potatoes bring natural sweetness and creaminess, lentils add protein and texture, and warm spices tie everything together. Whether you’re vegetarian, vegan, or simply trying to eat more plant-based meals, this recipe proves that meatless burgers can be bold, crave-worthy, and incredibly comforting.

Perfect for weeknight dinners, meal prep, or weekend cookouts, these burgers deliver flavor, nutrition, and versatility in every bite.


Why Sweet Potato & Lentil Burgers Work So Well

Many veggie burgers fall into one of two categories: too dry and crumbly, or too soft and mushy. This recipe strikes the perfect balance.

Here’s why it works:

  • Roasted sweet potatoes provide structure and natural binding
  • Cooked lentils add protein and a hearty bite
  • Breadcrumbs or oats absorb moisture and improve texture
  • Spices and aromatics ensure bold, savory flavor
  • Pan-searing or baking creates a crispy exterior

The result is a burger that holds together beautifully, browns well, and tastes just as good on a bun as it does on its own.


A Nutrient-Packed Plant-Based Option

These crispy sweet potato & lentil burgers aren’t just delicious—they’re also incredibly nourishing.

  • Lentils are rich in plant protein and fiber
  • Sweet potatoes provide complex carbs, vitamin A, and antioxidants
  • Olive oil contributes healthy fats
  • The recipe is naturally dairy-free and easy to make vegan

It’s comfort food you can feel good about.


Ingredients

Burger Mixture

  • 2 medium sweet potatoes, peeled and cubed
  • 1 cup cooked brown or green lentils (drained well)
  • 1 small yellow onion, finely diced
  • 2 cloves garlic, minced
  • ½ cup breadcrumbs or rolled oats
  • 1 egg (or flax egg for vegan option)
  • 1 tablespoon olive oil
  • 1 teaspoon smoked paprika
  • 1 teaspoon ground cumin
  • ½ teaspoon chili powder
  • ½ teaspoon salt
  • ¼ teaspoon black pepper
  • 2 tablespoons chopped parsley or cilantro

For Cooking

  • Olive oil or avocado oil for pan-frying

For Serving (Optional)

  • Burger buns
  • Lettuce, tomato, red onion
  • Yogurt sauce, tahini sauce, or vegan mayo

Instructions

  1. Roast the Sweet Potatoes
    Preheat oven to 400°F (200°C). Toss sweet potato cubes with olive oil and a pinch of salt. Roast for 25–30 minutes until tender. Let cool slightly.
  2. Mash the Base
    In a large bowl, mash roasted sweet potatoes with a fork until mostly smooth with some texture remaining.
  3. Add Lentils & Aromatics
    Stir in cooked lentils, onion, garlic, and herbs. Mix gently to keep some lentil texture.
  4. Season the Mixture
    Add smoked paprika, cumin, chili powder, salt, and black pepper. Mix well.
  5. Bind the Burgers
    Add breadcrumbs (or oats) and egg (or flax egg). Mix until the mixture holds together when pressed.
  6. Form Patties
    Divide mixture into 4–6 equal portions and shape into burger patties.
  7. Cook Until Crispy
    Heat oil in a skillet over medium heat. Cook burgers 4–5 minutes per side until golden and crisp.
  8. Serve Hot
    Serve on buns or plates with your favorite toppings and sauces.

The Secret to Crispy Veggie Burgers

The key is moisture control. Lentils and sweet potatoes both hold water, so draining lentils well and roasting—not boiling—the sweet potatoes is essential.

Also, resist the urge to flip too early. Let the burgers develop a crust before turning.


Pan-Fried vs Baked vs Air-Fried

Pan-Fried (Best for Crispiness):
Creates the most golden exterior.

Baked:
Healthier and hands-off. Bake at 400°F for 20–25 minutes, flipping halfway.

Air-Fried:
Crispy with minimal oil. Cook at 375°F for 12–15 minutes.

All three methods work depending on your preference.


Variations to Try

  • Vegan: Use a flax egg (1 tbsp flax + 2½ tbsp water)
  • Gluten-Free: Use gluten-free breadcrumbs or oats
  • Spicy: Add cayenne or chopped jalapeño
  • Mediterranean: Add cumin, coriander, and serve with tahini
  • Kid-Friendly: Skip chili powder and serve with ketchup

Best Sauces for Sweet Potato Lentil Burgers

  • Garlic yogurt sauce
  • Tahini lemon sauce
  • Chipotle mayo
  • Avocado crema
  • Classic mustard

Sauce elevates these burgers from good to unforgettable.


Serving Ideas Beyond Buns

These burgers are incredibly versatile:

  • Crumbled into grain bowls
  • Served over salads
  • Wrapped in lettuce cups
  • Paired with roasted vegetables
  • Served with sweet potato fries

Make-Ahead & Meal Prep Tips

  • Patties keep uncooked in the fridge up to 24 hours
  • Cooked burgers store 4 days refrigerated
  • Freeze patties up to 2 months
  • Reheat in skillet or oven for best texture

Perfect for Meatless Mondays

This recipe is ideal for anyone exploring plant-based eating. It’s familiar, satisfying, and approachable—making it a great gateway recipe for meat-free meals.


Cultural & Flavor Inspiration

Lentil-based patties have roots in cuisines around the world, from Middle Eastern fritters to Indian dal-inspired dishes. This recipe blends global inspiration with classic burger comfort.


Why This Recipe Never Fails

  • Simple ingredients
  • Balanced texture
  • Crispy outside, tender inside
  • Customizable and freezer-friendly
  • Crowd-pleasing flavor

It’s a recipe you’ll come back to again and again.

Crispy Sweet Potato & Lentil Burgers

Golden, hearty plant-based burgers made with sweet potatoes and lentils.
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 4 burgers
Course: Dinner, Main
Cuisine: Plant-Based, Vegetarian
Calories: 290

Ingredients
  

Burger Mixture
  • 2 sweet potatoes cubed
  • 1 cup cooked lentils drained
  • 1 onion diced
  • 2 cloves garlic minced
  • 0.5 cup breadcrumbs
  • 1 egg or flax egg

Equipment

  • Baking sheet
  • Large bowl
  • Skillet
  • Spatula

Method
 

  1. Roast sweet potatoes until tender.
  2. Mash sweet potatoes and mix with lentils and seasonings.
  3. Form patties and pan-fry until crispy.

Notes

Drain lentils well to prevent soggy burgers.