veggie burger
US /ˈvedʒ.i ˌbɜːr.ɡər/
UK /ˈvedʒ.i ˌbɜːr.ɡər/

1.
a burger patty made from vegetables, grains, and/or legumes, instead of meat
:
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I ordered a veggie burger with a side of sweet potato fries.
•
Many restaurants now offer delicious veggie burgers as an alternative.