The food needs to be bulked up with high fibre ingredients.

这种食物需要用高纤成分使之胀大。

youdao

My friend is obsessed with going to the gym and has really bulked up her arms.

我朋友迷上了去健身房，她确实把胳膊练得粗壮了。

《柯林斯英汉双解大词典》

Laced with buttermilk, bulked up with buckwheat, studded with berries I've tried them all.

WSJ: Waffle Recipes: Off the Grid | Breakfast 2.0

Over the years, the company has bulked-up with acquisitions.

FORBES: FrontRange: Making a Move into the Cloud

With bulked-up networks, they have poached millions of phone companies' subscribers with cheap voice-over-Internet Protocol plans and sell faster Internet lines than the telcos' digital subscriber line services.

FORBES: Magazine Article