Harissa Spiced Braised Lamb

400g diced lamb shoulder (15%)
1 garlic clove
1/2 red onion
1/2 lemon zest and juice
1/4 tsp turmeric
1.5 tsp cumin seed crushed
1/4 tsp fennel seed crushed
1” piece ginger crushed
1 tsp chilli flake
2 tsp mint dried or chopped