Sweet Potato Tapioca Balls

If you like mochi, you're going to absolutely love these sweet potato tapioca balls. The consistency is amazing - a nice crunch on the outside with a soft, chewy mochi texture inside. At only 20 calories per ball, they're the kind of treat you can eat guilt-free, and I'll admit to eating the entire plate in one sitting without any regret. They're just that good.

These are gluten-free, gut healthy, and made with minimal ingredients that you probably already have in your pantry. The base is sweet potato and tapioca flour, which comes from cassava root (known as yuca in Puerto Rico, where I have family roots). While cassava root is commonly used in Puerto Rican cuisine, I had never tried tapioca flour before creating this recipe, and the results blew me away. It creates this incredible chewy, bouncy texture that's completely unique.

What makes these special is the combination of natural sweetness from the sweet potato with the unique chewy texture that tapioca flour provides. They're air fried until crispy on the outside but remain soft and mochi-like inside. I made these with monk fruit sweetener, so the entire batch is only around 300-400 calories total, making them the perfect portion-controlled dessert for meal prep or whenever I want something sweet. I always have a batch in my fridge.

The base of these balls is 1-2 sweet potatoes, depending on their size. You want enough to make a good amount of mashed sweet potato - probably around 1 to 1.5 cups once mashed. Sweet potatoes provide natural sweetness, fiber, and a beautiful orange color, plus they're loaded with vitamin A. I usually use 2 medium sweet potatoes.

The key ingredient is 30 grams of tapioca flour, also called tapioca starch. This comes from the cassava root, which is called yuca in Puerto Rico and other Latin American countries. Tapioca flour is naturally gluten-free and creates that distinctive chewy, mochi-like texture when cooked. You can find it in the gluten-free or international foods section of most grocery stores. I buy Bob's Red Mill brand.

You'll also need 10 grams of corn starch, which helps bind the mixture and contributes to the crispy exterior. For sweetness, I use 20 grams of sugar - I prefer monk fruit zero-calorie sweetener to keep these as low-calorie as possible, but regular sugar, coconut sugar, or any sweetener you prefer will work. One teaspoon of salt balances the sweetness and enhances all the flavors. Finally, you'll need cooking spray for making the exterior crispy in the air fryer - don't skip this step.

The process for these balls is straightforward once you understand the technique. You'll start by steaming sweet potatoes until they're completely soft - this is important because you need them to mash smoothly without lumps.

Once mashed, you'll add the tapioca flour, corn starch, sweetener, and salt, then use your hands to bring everything together. The mixture transforms quickly from separate ingredients into a cohesive dough - it's actually pretty cool to feel it happen. Within a minute or two of kneading, you'll have a smooth, pliable dough.

Form into uniform balls (I make them about ping pong size), spray with cooking spray, and air fry for 20 minutes total, flipping halfway through. The spray is crucial for achieving that crispy exterior. After cooking, let them cool slightly - the outside will be crispy and golden while the inside is soft and chewy. The texture is incredible.