Lamb ragù moussaka

Name: Lamb ragù moussaka
Ingredients: 3 eggplants (960g); 80 gram butter, chopped; 1/2 cup (75g) plain (all-purpose) flour; 1 litre milk; 1 1/4 cup (100g) grated parmesan; 3/4 cup (60g) panko (japanese) crumbs; 2 teaspoon finely grated lemon rind; 2 teaspoon fresh thyme leaves; 2 kilogram boneless leg of lamb; 2 brown onions (300g), chopped coarsely; 4 clove garlic, chopped coarsely; 600 gram canned chopped tomatoes; 1/4 cup (70g) tomato paste; 3 bay leaves; 1/2 cup (125ml) red wine; 1 teaspoon ground coriander; 1 teaspoon ground cumin; 2 tablespoon olive oil