Layered tofu pasta bake

Name: Layered tofu pasta bake
Ingredients: 3 tbsp rapeseed oil; 150g celery finely chopped; 320g carrots finely chopped; 3 garlic cloves chopped; 2 tsp thyme leaves; 1 tbsp smoked paprika; 400g can chopped tomatoes; 2 tbsp tomato purée; 800ml hot vegetable stock made with 2 tsp vegetable bouillon powder; 250g wholemeal penne; 30g basil chopped, plus a handful of small leaves; 500g frozen spinach; 2 x 250g packs silken tofu; 1 lemon, juiced; 4 tbsp nutritional yeast flakes; 12 pitted green olives halved