Homemade food at a restaurant?

bake baked basil broccoli
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When you hear someone talk about a restaurant and they say that everything here is homemade, do they actually make the food at their home and then bring it to their restaurant? Why not just serve the food out of their house instead of transporting it to another place? Seems to me they would save a ton of money and not have to reheat everything.

It’s pretty easy to recreate Olive Garden dishes at home. All you have to do is go to your grocer’s freezer section and pick up a selection of Marie Callender’s entrees. Well, actually, Marie’s taste better.