How to Make Turkish Musakka/Moussaka at Home

Here are the ingredients:

4 eggplants (half a kilo)
400 g ground beef
1 big onion
5-6 cloves of garlic
1 cup tomato puree
1 tsp pepper paste
dry thyme
salt
pepper
For decoration:

green peppers
cherry tomatos
For frying:

extra virgin olive oil