How many servings would a 11x15 pan and a 12x18 pan make?
Thanks,
Danielle
ok let me see if I got this right, be aware that I'm just going off what I remember seeing posted by others: 15x11 cake =165 sq. inches so by a 2x2x2 serving that would be 82.5 servings, and the 18x12 cake =216 sq. inches which would be 108 servings. That would be different if your serving isn't the same.
HTH!!
ok let me see if I got this right, be aware that I'm just going off what I remember seeing posted by others: 15x11 cake =165 sq. inches so by a 2x2x2 serving that would be 82.5 servings, and the 18x12 cake =216 sq. inches which would be 108 servings. That would be different if your serving isn't the same.
HTH!!
NOPE!
Let's do math!
GET BACK HERE -- no running away screaming!
-----
start with...
well, just how piggy do the guests want to be?
ignore the teenage boys who will ask for one whole cake each!
so...
do you want 2x2 pieces of single 2in layer? (that would 8 cubic inches of cake -- a fair amount excpet for the those teen boys -- have baseball bat handy to beat them off)
or do you want 1x2 of a 4 inch double layer (well look at that -- it's also 8 cubic inches)
or maybe you want 2x2 of a 4 in double layer (hoo boy -- that's 16 cubic inches of cake -- the teen boys are still complaining TOO small!)
ok...3x3 of single layer (18 cubic inches)
or 3x3 of double layer (36 cubic inches -- teen boy's call this one bite!)
-----
in any event (including teen boys trying to run off w/ cake -- use baseball bat!)
it all comes down to....
pick a size of serving...
pick a size of sheet cake (rectangle)
then divide size of cake by size of serving to get number of servings.
so.....
if you start with a 9x13 cake and 3x3 slices...
9 / 3 = 3
13 / 3 = 4 and some "crumbs"
3 x 4 = 12 servings.
but you're on the never ending diet so you go with 2x2 (hey this is cake -- I'm not going to starve ya know!)
with that we get
9 / 2 = 4.5
13 / 2 = 6.5
forget the .5 (that's the cake cutter's cutting fee!)
4 x 6 = 24 --- or double the servings of 3x3 pieces.
ok the doctor called and yelled at you.
down to 1.5 x 2 we go.
9 / 1.5 = 6
13 / 2 = 6.5
give the ".5" to the dog (that is until the vet puts him on a diet too!)
6 x 6 = 36! a 50% increase in servings over 2x2 and 3 times the amount of 3x3
all from one 9x13 cake.
it's all in how big you cut those servings.
works the same for any size rectangle or square cake.
to wit:
11x15 --
3x3 serving
11 / 3 = 3 (with a big strip for the dog)
15 / 3 = 5
3 x 5 = 15
2x2 serving
11 / 2 = 5 (with a smaller strip for Killer)
15 / 2 = 7 (and a strip for Fifi too)
5 x 7 = 35
1.5x2 serving
11 / 2 = 5 (killer is fighting fifi for the strip -- fifi wins!)
15 / 1.5 = 10
5 x 10 = 50
etc, etc, etc.
now if you'll excuse me, I have some teens to chase down ....
COME BACK HERE WITH THAT CAKE!
LOL Doug!!! 
I love how you put things in a 'teacher' perspective. I know (being an elementary teacher) that the children would definitely get this, but the adults would be more like 
. Great way to explain serving size!!! 
I'm sure your students love having you as a teacher! 
LOLOL doug you have me laughing. I'm forwarding that to my mother the math teacher.
HAHA!!!! That's funny Doug. Thanks.
Okay. I have another question. I am making a sheet cake for a birthday party. This cake needs to serve 50 people. In yalls opinion what size pan do I need to use? I will not be at the party and I wont be able to control the size of how big the pieces of cake per person will be, but I want to make sure that there is enough to feed everyone. So what should I do?
1) you make the cake and tell them what it serves according to standard 2x2 size for a party.
2) you charge them based on standard amt. of servings.
3) after that -- not your problem if they get piggy and cut fewer servings or get all prissy about "oh my gosh -- the calories!" "I'm on a diet" "Just a bite for me..." etc. and have scads left over.
size --- single layer 12 x 18
12 / 2 = 6
18 / 2 = 9
9 x 6 = 54 servings
and in most cases the 2x2 will be seen as "big enough" -- excepting teen boys (any flavor) and chocoholics around chocolate cake (me!) that is.
Doug said:
1) you make the cake and tell them what it serves according to standard 2x2 size for a party.
2) you charge them based on standard amt. of servings.
Everyone needs to enlarge this and put it by their phone!!!!!!!!
Everyone needs to go by this advice......it's what most of us do anyway
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