Then boil or steam until tender, about 30-45 minutes.Drain.

然后用30 - 40分的时间煮熟或蒸熟，知道变软。

youdao

Add the shallots. Cook, stirring, until tender, three to five minutes.

放入青葱，同时搅拌3-5分钟直至变软。

youdao

To reconstitute dried tomatoes, simmer in plain water until they are tender.

给干西红柿加水使其复原，放在清水里炖直到它们变嫩。

《柯林斯英汉双解大词典》

When braising, cook the pumpkin or squash in just enough water and simmer until tender.

WSJ: Tony Maws's Spiced Pumpkin, Eggplant and Rapini | Slow Food Fast

Bring to a boil, then reduce the heat, and simmer for about 1 hour or until tender.

NPR: Recipes: 'Vefa's Kitchen'

Add the garlic and saute until tender, about 1 minute.

NPR: A Kitchen Table, an Easter Deadline and Family