off menu
adj1
Usually, Of a dish Not listed in the menu but available if a customer requests it.
- The cheesesteak is off menu.
- All these off menu orders — there are so many that they're getting out of hand and bogging down the kitchen.
off menu
adv1
Usually, Of ordering a dish Via request although not via the menu.
- You can get a cheesesteak off menu there.
- All these customers ordering off menu so much — it's getting out of hand and bogging down the kitchen.