Batch Cooking & Freezing Hidden Veggie Sauce I’ve been making this exact recipe for nearly 12 years now. So handy to have in the freezer to pull out on busy evenings. 1 tbsp oil 1 onion 2 garlic cloves 3/4 carrots 2 celery sticks 2 small courgettes 1 red pepper 1.5kg passata 500ml veg stock 1 tbsp tomato puree 1 tsp oregano 1 tsp smoked paprika optional: handful of fresh basil leaves | My Fussy Eater