The following companies make kosher cake mix (please note that some brands may be kosher in one country but not in others and not all flavours from a single brand may be kosher). Also, I don't know what hechsher some brands are under so I can't verify the validity of kashrut. Some brands are also kosher dairy.
Arrowhead Mills
Cherrybrook Kitchen
Sweet'N Low
Naturall Nora
Osem
Manischewitz
Duncan Hines
Dr. Oetker
Brass Ladle
Bob's Red Mill
Betty Crocker
Yes, provided that only kosher ingredients are included in it, and that it's mixed and baked with kosher utensils.
About 2 boxed cake mixes.
how long after exsperation date is cake mixes safe to use ?
5-7 cups, generally chocolate cake mixes yield more and white mixes yield less
No because it mixes milk product with meat.
Yes, chocolate cake can be made to be kosher.
10
The best selling cake mixes to food service establishments were chocolate, white, devil's food, spice, and pound cakes
The best selling cake mixes to food service establishments were chocolate, white, devil's food, spice, and pound cakes
about 1 and a half
Yep
You should never keep cake mixes (or any dry goods) in the fridge. The moisture will cause mold to grow in it.