For a long time, store bought frozen meatballs were all that were allowed. Some Brethren in foreign countries didn't have access to them so the rules were slightly amended for them. But they definitely have to be beef and spelled in all caps "MOINK".
Is nothing sacred?
Jim - Another transplanted Texan
Former KCBS CBJ
Large and Medium Big Green Eggs , Black 18.5" WSM, Blue Weber Performer - Stainless, Green Weber OTG Kettle , Brinkmann SnP Pro, and a Stainless UDS. One retired Portable Kitchen grill.
Red Thermapen, Maverick ET-732, EdgePro Apex Sharpener.
Avatar is the original 1951 Weber Kettle