芋 potato

I dry out the potato flowers so make up your own damn mnemonic.

roast potatoes ★☆☆☆☆ KANA
焼 (roast / grill) + 芋 (potato) = 焼き芋 (roast potatoes)

roast potatoes, a common thing sold at outdoor food carts.

sweet potato! ☆☆☆☆☆