diff --git a/code/game/machinery/kitchen/deep_fryer.dm b/code/game/machinery/kitchen/deep_fryer.dm
index 1671ebe8..afa5e86b 100644
--- a/code/game/machinery/kitchen/deep_fryer.dm
+++ b/code/game/machinery/kitchen/deep_fryer.dm
@@ -67,6 +67,12 @@
 	if(istype(I, /obj/item/weapon/reagent_containers/food/snacks/deepfryholder))
 		user << "<span class='userdanger'>You cannot doublefry.</span>"
 		return
+	if(istype(I, /obj/item/weapon/reagent_containers/food/snacks/customizable/candy))
+		user << "<span class='warning'>That would probably break [src].</span>"
+		return
+	if(istype(I, /obj/item/weapon/reagent_containers/food/snacks/cereal))
+		user << "<span class='warning'>That isn't going to fit.</span>"
+		return
 	else
 		fry_food(I, user)
 
diff --git a/code/modules/food/cooker.dm b/code/modules/food/cooker.dm
index d71b779e..a386a7c0 100644
--- a/code/modules/food/cooker.dm
+++ b/code/modules/food/cooker.dm
@@ -49,9 +49,18 @@ obj/machinery/cooker/proc/checkValid(obj/item/check, mob/user)
 /*	if(istype(check, /obj/item/flag))
 		user << "<span class='warning'>That isn't going to fit.</span>"
 		return 0*/
-	if(!istype(check, /obj/item/weapon/reagent_containers/food))
+	if(!istype(check, /obj/item/weapon/reagent_containers/food/snacks))
 		user << "<span class='warning'>That isn't going to work.</span>"
 		return 0
+	if(istype(check, /obj/item/weapon/reagent_containers/food/snacks/customizable/candy))
+		user << "<span class='warning'>That would probably break [src].</span>"
+		return 0
+	if(istype(check, /obj/item/weapon/reagent_containers/food/snacks/cereal))
+		user << "<span class='warning'>That isn't going to fit.</span>"
+		return 0
+	if(istype(check, /obj/item/weapon/reagent_containers/food/snacks/deepfryholder))
+		user << "<span class='userdanger'>You cannot cook this twice.</span>"
+		return 0
 	return 1
 
 obj/machinery/cooker/proc/setIcon(obj/item/copyme, obj/item/copyto)
diff --git a/code/modules/food/oven.dm b/code/modules/food/oven.dm
index f0f213f6..7d604191 100644
--- a/code/modules/food/oven.dm
+++ b/code/modules/food/oven.dm
@@ -16,13 +16,23 @@
 	updatefood()
 
 /obj/machinery/cooking/attackby(obj/item/I, mob/user)
+
 	if(on)
 		user << "The machine is already running."
 		return
 	else
-		if(!istype(I, /obj/item/weapon/reagent_containers/food))
+		if(!istype(I, /obj/item/weapon/reagent_containers/food/snacks))
 			user << "You think yourself better than to place [I] in there"
 			return
+		if(istype(I, /obj/item/weapon/reagent_containers/food/snacks/deepfryholder))
+			user << "<span class='userdanger'>You cannot cook this twice.</span>"
+			return
+		if(istype(I, /obj/item/weapon/reagent_containers/food/snacks/customizable/candy))
+			user << "<span class='warning'>That would probably taste bad.</span>"
+			return
+		if(istype(I, /obj/item/weapon/reagent_containers/food/snacks/cereal))
+			user << "<span class='warning'>That isn't going to be nice.</span>"
+			return
 
 		var/obj/item/F = I
 		var/obj/item/weapon/reagent_containers/food/snacks/customizable/C
diff --git a/html/changelog.html b/html/changelog.html
index de5e7a3a..2f91f184 100644
--- a/html/changelog.html
+++ b/html/changelog.html
@@ -60,6 +60,7 @@ should be listed in the changelog upon commit though. Thanks. -->
 	<h2 class='date'>12 December 2014</h2>
 	<h3 class='author'>SoundScopes updated:</h3>
 	<ul class='changes bgimages16'>
+		<li class='bugfix'>Cookinig fixes</li>
 		<li class='bugfix'>Missing slime sprites</li>
 		<li class='bugfix'>PA turns off properly when broken or loss of power</li>
 		<li class='bugfix'>Pipe Painters now paint pipes rather than making invisible pipes</li>