Five cheese pasta bake
Fry assorted veg and halloumi with onion, garlic and spices (I used cumin and coriander, I think, but don't know what would work best. I often use chilli too).
Melt boursin (put it in with the drained pasta and back on the heat or in with the veg)
Mix pasta, veg and boursin in a baking dish
Grate lots of grana padano and spread over the top
Optionally, tesselate smoked cheese circular slices on top (some just melt but some par-melt and look v good)
Bake until done (about 30 min?)
And I used lots of grated cheddar mixed in to the bake and with the topping.
Cheeseless pasta bake
Originally borrowed from here: https://www.chowhound.com/recipes/v
Basically the same veg and pasta, but mixed with a cheese-replacement sauce. I only tried this once before and it didn't work so well, so I don't know which steps are necessary, and which could be missed our or improved, but what I did was:
Take a pack of tofu, and drain. (Squeeze repeatedly, then repeatedly squeeze with paper towels until they're only mildly damp)
We froze the tofu and defrost, which some people recommend for crispier tofu, I don't know if it helped here or not.
Mix with nutritional yeast (AKA yeast flakes. I used three heaped tablespoons per pack of tofu. Some people online think american nutritional yeast brands are better than the one commonly available here. Available at some but not all supermarkets and many health food shops.)
Mix with zest and juice of lemon (I used one lemon per two packs of tofu).
I added a dash of soy sauce, salt, black pepper, and parsley. Don't know which matter.
Mash it all up together.
This was fiddly because we needed to hurry the defrosting with the microwave and weren't practiced at draining the tofu. If you don't have that problem, it doesn't really take any prep, it's just "mix it all together".
And for this bake, I mixed the pasta, veg, and tofu together, and also added several (lightly mixed) eggs as an extra binding. For a vegan pasta bake, you can do without that.
As suggested in the original recipe, I cooked it for about 50 minutes covered with foil, and then 10 min without. When I tried it without, the top of the bake was a bit burned. But there may be a better way of cooking it. Or a variant of making the cheese or eggs more of a topping and the other more of a filling.
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