you can i always do it no matter what, all you need is
foods:
chips
chicken nuggets
fish fingers
spring rolls
onion rings
burgers
hot dogs
and many more.
drinks:
fanta
7 up
cola
pepsi
tango
squash
soft drinks like orange juice
dessert:
cake
cheese cake
eclairs
ice-cream
custard
jelly
yogurt
ect
good luck with your party.
i hope i helped you
Contact your local parks and recreations dept.
http://www.denvergov.org/parksandrecreat...
I've done it before but nervous still would I get a ticket or would it be fine to decorate and have a bday party at the park with no permit in denver co??