Holding a Shepherd's pie until dinner

I made a Shepherds pie for dinner, its assembled and ready to bake. I'd like to hold off for a few hours though, maybe 4-5 hours.
I have no room in my fridge and I don't want to leave it on the counter, so I think the oven is my only option. The instructions say to bake it at 450 for 30 minutes. Should I bake it as instructed, then hold it at 200 until ready to eat? Are there any other methods to do this?
Thanks
Best Answer
Yes, keeping it in a 200F oven will keep it safely outside the bacterial danger zone, but it may also dry out a bit. Covering with foil or adding a pan of water to the rack below may help that, though that may also make the crust soggy. You'll have to experiment a bit.
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How long can shepherds pie sit out?
SHEPHERD\u2122S PIE, FRESHLY BAKED Bacteria grow rapidly at temperatures between 40 \xb0F and 140 \xb0F; shepherd\u2122s pie should be discarded if left out for more than 2 hours at room temperature.How do you keep shepherds pie fresh?
Freshly baked shepherd\u2122s pie will keep for about 3 to 5 days in the fridge; refrigerate covered with aluminum foil or plastic wrap.How do you keep shepherds pie from falling apart?
Use a large-enough oven-proof skillet or transfer the filling to a casserole dish. Drop spoonfuls of the mashed potatoes on top. The mash should be firm so the pie won't fall apart when serving.Ghost Gets His Revenge on Shepherd
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