you could try some veggie cheese.what about some roasted veggieswith tofu,few garlic cloves.in the tart cases. do you use non diary milk or normal.make a quick roux and then put it into the cases.this would make a great alternitvie to a cheese or eggy fillin and still give you that saucey effect. do you eat fish? making white sauces could give you great alternative to the tomato ones ur stuck with.you can them with stock.milk.condensed soups. one thing we love is just getting a ready rolled jus rol pack.lay on baking sheet.then with a border left round the edge top with roasted veg.sqaush sweetpotato and red onion.thinly sliced potatos lemon and herbs.white sauce with tinned sweetcorn and peas. anything you like to top it.weve eve done a full breakie type on with layer of beans topped with tomatos.veggies sausages and then eggs ontop.then bae and it make a great slice pizza type thing but you can literally add anything to it. what about things like rosti. have you made stock based sauces.addig a bit of flour or cornfour to these will give you a whole new flavour set to play with with your usual tomato based sauces gone. adding some wine to it too or vinagers. using cocnut milk. sauteeing down things like courgette down to a pulpie mix with onions and garlic and oil is a great mixture sauce thing. also making puree with carrots or butternut squash or sweet potato is a great alternative. also no cheese pestos. creamed cauliflower.