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HomeWFPB RecipesSide DishesPotato and Kumara (Sweet Potatoes) Rice Balls

Potato and Kumara (Sweet Potatoes) Rice Balls

These Potato and Kumara Rice Balls are a wholesome, plant-based twist on a classic comfort snack, combining hearty vegetables and brown rice into delicious, golden-crisp bites. Ideal as a nutritious snack, appetiser, or lunchbox option, they’re easy to prepare and packed with flavour, texture, and goodness in every bite.

At the heart of this recipe are potatoes and kumara (sweet potatoes), which provide a satisfying, creamy texture and a natural hint of sweetness. Potatoes are a good source of complex carbohydrates, potassium, and vitamin B6. At the same time, kumara adds beta-carotene (a precursor to vitamin A), fibre, and antioxidants that support eye health, immune function, and digestion.

Cooked brown rice contributes a nutty flavour and adds bulk and fibre, making these rice balls more filling and supportive of stable energy levels. Brown rice is also rich in manganese, selenium, and B vitamins, which help regulate metabolism and support overall health.

The addition of finely diced onions and garlic brings depth and savoury richness, while also offering antibacterial properties and compounds that support heart health. Grated carrots blend in seamlessly, adding moisture, natural sweetness, and a dose of vitamin A and fibre.

Parsley adds a burst of fresh flavour and provides vitamin K and antioxidants. Nutritional yeast, a favourite in plant-based cooking, adds a cheesy, umami flavour along with B12 (when fortified), protein, and essential minerals. A flax egg—a simple mix of ground flaxseed and water—acts as a binder while delivering omega-3 fatty acids and fibre that benefit heart and digestive health.

Chilli flakes provide a gentle kick for those who enjoy a touch of spice, and the final breadcrumb coating creates a crispy outer layer when baked or pan-fried, adding a satisfying texture without the need for deep-frying.

These rice balls are a nutritious, versatile, and waste-conscious way to use leftover vegetables or rice. Naturally vegan, dairy-free, and packed with whole food ingredients, they make a nourishing addition to any meal. They can be easily adapted to suit your taste preferences or dietary needs.

Potato and Kumara (Sweet Potato) Rice Balls

Catherine BarclayCatherine Barclay
Crispy on the outside and soft on the inside, these potato and kumara rice balls are a delicious blend of root vegetables and rice. Perfect as a snack, side dish, or lunchbox filler, they’re plant-based, easy to make, and great for using up leftovers.
Course Side Dish, Snack
Cuisine Japanese

Ingredients
  

  • 225 grams potatoes
  • 225 grams kumara (sweet potatoes)
  • 100 grams cooked brown rice
  • 2 brown onions diced
  • 2 cloves garlic
  • 2 carrots finely grated
  • 5 tbsp parsley chopp1ed
  • 1 tbsp nutritional yeast
  • 1 tsp chilli flakes
  • wholemeal bread crumbs to roll balls in

Instructions
 

  • Boil potatoes and kumara until soft. Mash with a little plant-based milk and a small amount of dijon mustard (optional)
  • Saute onion and garlic in a little water, then add the carrots and simmer until the carrot aresoft.
  • In a large bowl, combine all ingredients except for the crumb.
  • Divide ingredients into 16 balls, rolling each into the crumb.
  • Place into an air fryer for 20 mins or into the sandwich press (make a flatter version of the mix) for 25 mins.
Keyword fruit crumble, kumara, plant-based, rice balls, sweet potatoes, vegan, wfpb
Tried this recipe?Let us know how it was!

Catherine Barclay
Catherine Barclay
Normally you might find me behind the coding of our sites but over the years I have become much more concerned about what has been happening in the kitchen as well - families do that for all of us don't they? Background experience is in Account Management and Web Development but as my passion has grown for WFPB so has my desire to speak out.
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