Wash and soak dried scallop couple hours until it’s soft. Then, drain the water and blend them in a chopper. Don’t need to be very fine. Little chunk is ok.
Wash and soak dried small shrimps for 15-30 minutes. After that, drain the water and blend them in a chopper. (The same as dried scallops don’t need to be very fine.)
Peel and wash shallot. Put them into a chopper and blend them a little bit.
Peel and wash garlic. Then, put them into a chopper and blend them until it’s small pieces.
Next, wash and soak dried chili pepper for 10-15 minutes before blending them in a chopper. And, blend the fresh chili peppers as well.
Heat up 3.5 cups of vegetable oil in a pot. Use a wooden chopsticks to test the oil if it is hot enough. There will be some bubbles around the chopsticks when the oil is hot. Then, turn the fire to medium to small, add chopped shallots into hot oil. (Put the shallot slowly in case it will overflow.) Keep stirring once a while and simmering for few minutes.
After that, add chopped garlic. Then, keep stirring once a while and for few minutes. Later, add chopped dried and fresh chili peppers. Next, add chopped dried scallops and shrimps.
Keep stirring and simmering for 10 minutes. After, add 1.5 tablespoons of salt and 1 tablespoon of sugar, mix well and simmering for another 5-10 minutes.