Portuguese chicken burger

Name: Portuguese chicken burger
Prep time: 3 h
Cook time: 10 min
Total time: 3 h 10 min
Cuisine: Portuguese
Ingredients: 3 thyme sprigs, leaves roughly chopped; 2 tsp smoked paprika (pimenton); 2 garlic cloves, crushed; Zest and juice of 1 lemon; 1 tbs olive oil; 2 tsp dried chilli flakes; 3 x 180g chicken breast fillets, cut horizontally into thin slices; 4 slices tasty cheese; 1/2 cup (140g) thick Greek-style yoghurt; 1 garlic clove; Juice of 1/2 lime; 4 soft wholemeal rolls, split, toasted; 4 oak lettuce leaves; Baked parsnip chips, to serve; 1/4 cup (60ml) rice malt syrup; 4 long red chillies, finely chopped; 1 tsp sweet paprika; 1 tsp finely grated ginger; 1 garlic clove, crushed