Lamb Burgers with Feta & Harissa Aubergine Jam

Name: Lamb Burgers with Feta & Harissa Aubergine Jam
Cook time: 1 h
Total time: 1 h
Cuisine: American, Mediterranean
Ingredients: aubergine 1; large red chillies 2; cherry tomatoes 250g; dark brown sugar 80g; cider vinegar 75ml; lemon, juiced 1; harissa paste 1 tbsp; sea salt to taste; lamb mince 250g; ground cumin 2 tsp; smoked paprika 1/2 tsp; garlic cloves, grated 3; salt and pepper to taste; feta 25g; rocket leaves Handful; Fresh coriander handful; olive oil 2 tbsp; salt and pepper 1 tsp each; brioche buns 2; red onion, thinly sliced 1/2