Please note
A. this thread is about places to eat in Raja Uda & Bagan Ho Ciak Food places, and not where to stay or sight-seeing.
B. the list is not 100% accurate as such I’ll need your help in keeping it relevant and up-to-date. So feedbacks & comments are most welcome and also do remember TASTE is very personal hor.. 
(Inspired by thteong82 and roystevenung)

Here's the work-in-progress list:
Penang Recommended/ Famous Food
Green denotes outlet run by Muslim

Dim Sum
Chow Chuen dim sum (morning)
Jalan Ong Yi How Branch : 5.435153,100.386876 / N5 26.100 E100 23.206
Jalan Bagan Baru 1 main :5.406061,100.37207 / N5 24.363 E100 22.318

CHAR KOAY TEOW
Sunrise Kopitiam CKT
Appollo market during tea time. Cheap!

CURRY MEE
Morning, Jalan New Ferry traffic light, same as Chulia Street ones. Harry tried before.
If you want to try many extra food ones, the one at the start of Jalan Raja Uda entry, there is a KFC. Same row as KFC. This one only if you like extra dish of food (price a bit expensive), the curry mee not exactly good.
another one inside Lorong chempa (7 loong) .

LOH MEE
obviously no doubt. Bagan Luar opposite TM building.

CLAYPOT RICE
Hard to find some better ones in Butterworth. Alternatively can try Chai Leng Park Lekker claypot rice.

TOMYAM SEAFOOD
Claypot rice at Bagan there, beside KFC there is a kopitiam.
Raja Uda road, there is many. If you don't want to go for famous and over rated ones, go to the one before Shell/Esso (left side), you can see a burger stall. At that area, you can have a delicious Tomyam mee.