YOU SAID:

she's dense as a burnt potato and still made it onto the spaceship without dying

INTO JAPANESE

彼女は焼けたジャガイモのように密集していて、まだ死なずに宇宙船に乗せた

BACK INTO ENGLISH

She was as dense as burnt potatoes and still put it on a spaceship without dying

INTO JAPANESE

彼女は焼けたジャガイモと同じくらい密度が高く、それでも死なずに宇宙船に乗せた

BACK INTO ENGLISH

She was as dense as burnt potatoes and still put it on a spaceship without dying