Ming's Noodle Cafe
Ming's Noodle Cafe is a typical Hong Kong tea cafe ("cha chan tang") close to Pacific Mall that is popular for its daily selection of set lunches and dinners.
For under $8, you can get a tomato sauce baked seafood rice lunch set that comes with a soup and drink of your choice (the HK-style milk tea is highly recommended!). They also offer plenty of cheap breakfasts and afternoon tea meal options for under $5 - what a steal.