How to Cook Sweet Potato in Microwave

How to Cook Sweet Potato in Microwave

Why Cook Sweet Potato in the Microwave?

A microwave sweet potato is ready in 5–8 minutes — compared to 45–60 minutes in the oven. The result is a naturally sweet, fluffy interior that's perfect as a side dish, meal base, or healthy snack. It's one of the most nutritious and convenient things you can cook in the microwave.

Step-by-Step: How to Cook Sweet Potato in the Microwave

Step 1: Choose Your Sweet Potato

Medium-sized sweet potatoes (about 6–8 oz / 170–225g) cook most evenly in the microwave. Very large sweet potatoes may cook unevenly — the ends can overcook before the center is done. If you have a large one, cut it in half before microwaving.

Step 2: Wash and Dry

Scrub the sweet potato under running water to remove any dirt. Pat dry with a paper towel.

Step 3: Pierce All Over

Use a fork to pierce the sweet potato 6–8 times all over, going about ½ inch (1.5cm) deep. This allows steam to escape during cooking and prevents the potato from bursting in the microwave.

Step 4: Wrap in a Damp Paper Towel (Optional)

For a softer skin and more even cooking, wrap the sweet potato in a lightly damp paper towel. This creates a gentle steam environment around the potato. Skip this step if you prefer slightly firmer skin.

Step 5: Place on a Microwave-Safe Plate

Set the wrapped (or unwrapped) sweet potato on a microwave-safe plate.

Step 6: Microwave on Full Power

Microwave on full power for 5 minutes. Carefully flip the potato (it will be hot — use oven mitts or a towel). Continue microwaving for 2–3 more minutes.

👉 We recommend: BPA-Free Silicone Oven Mitts — Ultra Heat Resistant up to 500°F

Step 7: Check for Doneness

Insert a fork or knife into the thickest part of the sweet potato. It should slide in easily with no resistance. If there's still firmness, continue in 1-minute intervals until fully tender.

Step 8: Rest for 2 Minutes

Let the sweet potato rest for 2 minutes before cutting. The interior continues to steam and cook during this time.

Step 9: Cut, Fluff, and Top

Cut a slit down the center, push the ends toward each other to open it up, and fluff the interior with a fork. Add your toppings and serve.

Cooking Times by Size

Sweet Potato Size Approx. Weight Microwave Time
Small 4–5 oz (115–140g) 4–5 min, flip halfway
Medium 6–8 oz (170–225g) 5–7 min, flip halfway
Large 10–12 oz (280–340g) 8–10 min, flip halfway
2 medium sweet potatoes 9–12 min, flip halfway

Topping Ideas

  • Sweet: Butter, cinnamon, brown sugar, a drizzle of honey or maple syrup
  • Savory: Olive oil, salt, pepper, feta cheese, fresh herbs
  • Protein-packed: Black beans, salsa, Greek yogurt, avocado
  • Dessert-style: Coconut oil, pecans, a pinch of nutmeg

Nutrition Highlight

Sweet potatoes are one of the most nutrient-dense foods you can eat — rich in vitamin A (beta-carotene), vitamin C, potassium, and fiber. Microwaving preserves more nutrients than boiling because no nutrients leach into cooking water.

What to Avoid

  • ❌ Don't skip piercing — sweet potatoes can burst in the microwave
  • ❌ Don't skip flipping — the bottom cooks faster without it
  • ❌ Don't skip resting — the interior needs time to finish cooking evenly
  • ❌ Don't microwave very large sweet potatoes whole — cut in half for more even cooking

Final Thoughts

A microwave sweet potato is one of the healthiest, fastest meals you can make. Pierce it, microwave 5–7 minutes, flip halfway, rest 2 minutes — and you have a naturally sweet, fluffy, nutrient-packed meal ready in under 10 minutes.

Back to blog

🛒 Looking for the right tools?

Browse all our curated product recommendations on Amazon — view the full list here →

#CommissionsEarned — As an Amazon Associate, Life Logic Lab earns from qualifying purchases. Clicking on Amazon links in our articles may earn us a small commission at no extra cost to you.