Clean, wash and thinly slice the aubergines. Place in cold salted water for about 10 minutes. Clean the chillies, cut lengthwise, remove seeds, wash and chop. Peel 2 cloves of garlic and 1 onion, dice finely.
Crush everything with coarse salt in a mortar to a paste (or puree in a mixer). Coarsely chop bacon crusts. Remove outer leaves from lemon grass. Wash the sticks and cut into very fine rings.
Peel 4 cloves of garlic and cut into thin slices. Peel 2 onions and cut into rings. Dab aubergines dry. Wash coriander, shake dry, dab off leaves. Heat oil in a pan.
Briefly sauté the garlic in it and take it out. Fry the chilli paste in the frying oil for about 1 minute. Stir-fry the ground pork for about 3 minutes until crumbly. Fry aubergines, onions and lemon grass for 2-3 minutes, stir in bacon, garlic and coriander.