Pork, apple and leek traybake

Name: Pork, apple and leek traybake
Cook time: 45 min
Total time: 45 min
Cuisine: British
Ingredients: 400g pork lean fillet, trimmed and cut into chunks; 4tbsp rapeseed oil; 10 sprigs thyme; 1tsp Dijon mustard; Zest and juice 1 lemon; 1 onion, cut into wedges; 200g baby potatoes, halved; 1 bulb fennel, quartered; 1 leek, cut into chunks; 1 red apple, quartered; 10g rosemary sprigs; ½ reduced-salt veg stock cube, made up to 100ml; 150g vine cherry tomatoes (on the vine); 1tbsp balsamic vinegar; 1tbsp clear honey