Need advice cooking lambs HEART please, a bit quickly if at all possible :D

[TrinityRhino]

they are in the oven right now

lightly oiled, salt and pepper, wrapped in foil

been in the oven for an hour on 200

someone told me to do it like this and said about an hour and a half, does that sound right

theres three of them, the size each of a medium potato
ish I think lol

pretty please

my last heart cooking attempt was a complete disaster

you're all meanies

I've never cooked them, but have heard to do them that way.
Let me know how they are, I want to try them.

thanks net to, I'm not eating them

but I'll let you know what dp says

Any good?
I have only had them casseroled in a thick oniony tomato ketchupy sauce (dad's creation!). It is far more delicious than it should be for essentially hearts in ketchup!