Veggie tahini lentils

Name: Veggie tahini lentils
Prep time: 10 min
Cook time: 10 min
Total time: 20 min
Cuisine: British
Ingredients: 50g tahini; zest and juice 1 lemon; 2 tbsp olive oil; 1 red onion , thinly sliced; 1 garlic clove , crushed; 1 yellow pepper , thinly sliced; 200g green beans , trimmed and halved; 1 courgette , sliced into half moons; 100g shredded kale; 250g pack pre-cooked puy lentils