Spicy Flatbread with Yogurt

Name: Spicy Flatbread with Yogurt
Ingredients: 500 gr (1 pound) ground meat (lamb, turkey, or beef works great); 2 cloves of garlic, crushed; 1 tsp ground cumin; 2 tsp dried chili flakes; ⅓ cup caramelised onion relish; seasalt and cracked black pepper; 2 tbsp of olive oil plus extra for brushing; 4 large flatbreads; 280 gr (10 ounces) Greek style yoghurt; 250 gr (8.5 ounces) mixed cherry tomatoes; ½ cup mint leaves; 40 gr (1 ounces) toasted pinenuts, roughly chopped; 2 tbsp of lemon juice