He is something of a 'feeder', ie will come home most days with a cake or choc for both of us,
Hmmmm. That's not very helpful is it. I know if my spouse wanted to lose weight (oh wait he is trying to lose weight and I am doing these things!) I would be helping him out by not bringing all of the snacks into the house.
I would be bringing a reasonable amount of snacks in, because adults do get to choose for themselves, but psychological hunger is just as much a problem when trying to lose weight than physical hunger is.
I still bake cakes, but slice and freeze (he is still free to get whatever he wants of course, I'm not going to police his eating) and take out once a while. He still buys chocolate, but one bar of good quality chocolate instead of 10 bars of cheap stuff.
We plan our meals and I either find healthy alternatives or just don't make as much (which is a bit hard on me as I always made more than we needed "just in case we had visitors", but that just invites overeating) so that we don't have leftovers.
Just like he supports me in my health issues, I support him in his health issues (which is what weight is largely).
Even if OP is an adult and needs to show her own dedication to losing weight, the husband should at least be supporting her by facilitating and encouraging, not bringing loads of cakes and snacks into the house and then vicariously telling OP she's fat. It's really not very nice behaviour on his part.