Hummus bowl with harissa pepper and olive gremolata

Name: Hummus bowl with harissa pepper and olive gremolata
Ingredients: 3 red romano pepper; 5g olive oil, for roasting; 70g dried French lentils, rinsed; 70g pitted olives, finely chopped; 10g finely chopped parsley; 1 tbsp small capers; 1 tbsp extra virgin olive oil; 1 tbsp juice of a lemon; 1 tbsp harissa paste; 30g roughly chopped walnuts; 400g drained and rinsed tin of chickpeas; 2 tbsp runny tahini; Juice of 1 lemon; 1 garlic clove; 1/2 tsp ground cumin; 3 tbsp extra virgin olive oil