I'm all in on treats that are REAL, and this Slow Cooker Condensed Milk Caramel sure fits that bill. Sure, there is a lot of sugar in them, but in my world, REAL sugar real milk is a real treat. Not pretend sugar, low-fat milk, additives etc. So grab a tin and try it out.
2 x 395g tins condensed milk (not skimmed milk version)
Pop something on the base of your cooker to protect it, I used baking paper.
Put your two full-fat condensed milk containers in the cooker and cover with water by at least 1cm.
If you'd rather not cook in the tin, pour them into an oven-proof mug and pop a lid on top. Put the water up to just under the rim of the mug.
Leave to cook on high for 4.5hrs or low for 8 hours. When done. Let the water cool completely before removing and opening.
Please DO NOT use skim condensed milk, it is full of additives and won't work.