泡 - Pao4 - Bubble, Soak, Steep

泡 is what you do to make tea. In this house, and in Taiwan, you can also do it to noodles:

泡麵 - Pao4 Mian4 - Steeped Noodles — Instant Noodles

And according to 中文.com, in China they’re apparently called 快餐麵 - Kuai4 Can1 Mian4 - Fast Meal Noodles. And an alternative term, used everywhere, is 速食麵 - Su4 Shi2 Mian4 - Fast Food Noodles. Why not 速餐麵 or 快食麵, I wonder?