Wow- thanks for great replies. :)
It's only a recent thing, which is why I thought it was to do with weather getting hotter. He's not too bad about grazing between meals, just wants plate of snacky bits for lunch and tea! Today for lunch had 2 Philidelphia sandwiches, 3 rice cakes, fruit pouch, piece of cheese and some grapes. Told him it's cooked tea today, cos cooler weather today.
He has a genetic disorder, and teeth have not grown properly, so only has two teeth, and they're false caps. So, he can't eat meat, apart from mince and sausages out of the skin, atho both of these sometimes a struggle for him. He will happy gum his way thru pasta, potatoes, potato waffles, pizza, omelette/ scrambled egg, sometimes couscous, and eats carrots, peas, sweetcorn, broccoli. Did do mixture the other day- small bowl pasta, plus rice cakes, grapes and piece of cheese. Went down ok.
I'm a full time teacher, and he eats lunch and tea at nursery during term time, although I always sit down with him to eat at weekends. He eats much better at nursery, because he has no choice about what he eats! He has snacky lunch and hot tea, cos that's what I put in his bag!
Will continue to do hot teas when I can, and try not to get too stressed!