"What do you eat?" Anything, even with burn bans unless they are severe, you can sometimes do charcoal. So consider using a fire ring which they may have at the park Someone who has been to Garner does it have rings?)or buy the disposable charcoal unit at Waly world for under $10 (It a one time use unless you buy a bag of charcoal also)
So menu's can include anything you cook over a fire/charcoal/gas (but if you use a pan make sure its not your home teflon pan but one more suited for cooking over a flame. (the list for breakfast includes eggs, bacon, sasuage, pancakes,and much more) for lunch you can go cold with sandwiches and then dinner can be easy burgers (with correct pan) or anything you can put in a pan, you can boil water for spaggetti and heat sauce in the can (bring the opener thought and air it first) there are a number of great websites, this is one of the easiest for you to look at
Breakfast Recipes - Chuckwagon Diner Outdoor Camping Recipes
and in addition to breakfast and other meals, it has tin foil meals if you want to skip dishes see the bottom of the page !