Plated Place Cards

If you are assigning tables and not seats at the tables, then you can do escort cards per couple and put the meal indication on the back of the card. Stickers are good or stamps etc, just be sure to tell your caterer/doc if they aren't obvious indicators for the various meals.
My DOC said it is easier this way, less cards to place and jeep track of and it's just was easy for the servers to see 2 stamps on a card as it is to see 1.

As far as printing them, there are csrds you can get that you can print from your own computer if you don't want to hand write or pay someone else to hand write the names / table numbers on the cards.

I would recommend having the place cards on the table and something with a list who is at what table. I used Different distinct colors for the writing on the card, chicken was blue, beef was gold, and green was vegetarian. We had the table assignments written on an old door/ window like the picture.

The photo didn’t post with the last one

Assigning tables is enough. You have escort cards printed with the guest's name and table number and choose a way to indicate their choice of entree. That can be with a sticker, the color of the card, color of trim on the card, a colored jewel or stamp. There are dozens of ways to indicate choice of entree on Pinterest.

entree choice by color

entree choice by sticker