In a pot over low heat, cook the garlic and thyme in olive oil. Do not colour the garlic.
Slice the peeled aubergines equal-sized rounds (halve the larger pieces). Add the aubergines to the pot with the lemon juice.
Cook for 30–40 minutes or until the aubergines are completely soft but have not coloured.
Remove the thyme sprigs and transfer the remainder to a Thermomix j