diff --git a/code/modules/food_and_drinks/food.dm b/code/modules/food_and_drinks/food.dm
index b1df946e34..de41d2dd23 100644
--- a/code/modules/food_and_drinks/food.dm
+++ b/code/modules/food_and_drinks/food.dm
@@ -25,7 +25,7 @@
 		pixel_y = rand(-5, 5)
 
 /obj/item/reagent_containers/food/proc/adjust_food_quality(new_quality)
-	food_quality = min(new_quality,100)
+	food_quality = clamp(new_quality,0,100)
 
 /obj/item/reagent_containers/food/proc/checkLiked(var/fraction, mob/M)
 	if(last_check_time + 50 < world.time)
diff --git a/code/modules/food_and_drinks/food/customizables.dm b/code/modules/food_and_drinks/food/customizables.dm
index bd20ad8d69..0e2bdc63c8 100644
--- a/code/modules/food_and_drinks/food/customizables.dm
+++ b/code/modules/food_and_drinks/food/customizables.dm
@@ -20,6 +20,7 @@
 	var/list/ingredients = list()
 	var/ingredients_placement = INGREDIENTS_FILL
 	var/customname = "custom"
+	var/total_quality = 0 //quality of all ingredients added together
 
 /obj/item/reagent_containers/food/snacks/customizable/examine(mob/user)
 	. = ..()
@@ -56,6 +57,9 @@
 			S.reagents.trans_to(src,min(S.reagents.total_volume, 15)) //limit of 15, we don't want our custom food to be completely filled by just one ingredient with large reagent volume.
 			foodtype |= S.foodtype
 			update_snack_overlays(S)
+			//quality of customised food is average of the ingredient's qualities
+			total_quality += S.food_quality
+			food_quality = total_quality / length(ingredients)
 			to_chat(user, "<span class='notice'>You add the [I.name] to the [name].</span>")
 			update_name(S)
 	else
diff --git a/code/modules/food_and_drinks/food/snacks_bread.dm b/code/modules/food_and_drinks/food/snacks_bread.dm
index 204e5ce455..11eedcd363 100644
--- a/code/modules/food_and_drinks/food/snacks_bread.dm
+++ b/code/modules/food_and_drinks/food/snacks_bread.dm
@@ -247,18 +247,22 @@ GLOBAL_LIST_INIT(frying_bad_chems, list(
 			add_atom_colour(rgb(166,103,54), FIXED_COLOUR_PRIORITY)
 			name = "lightly-fried [name]"
 			desc = "[desc] It's been lightly fried in a deep fryer."
+			adjust_food_quality(food_quality - 5)
 		if(16 to 49)
 			add_atom_colour(rgb(103,63,24), FIXED_COLOUR_PRIORITY)
 			name = "fried [name]"
 			desc = "[desc] It's been fried, increasing its tastiness value by [rand(1, 75)]%."
+			adjust_food_quality(food_quality - 10)
 		if(50 to 59)
 			add_atom_colour(rgb(63,23,4), FIXED_COLOUR_PRIORITY)
 			name = "deep-fried [name]"
 			desc = "[desc] Deep-fried to perfection."
+			adjust_food_quality(food_quality) //we shouldn't punish perfection in the fried arts
 		if(60 to INFINITY)
 			add_atom_colour(rgb(33,19,9), FIXED_COLOUR_PRIORITY)
 			name = "the physical manifestation of the very concept of fried foods"
 			desc = "A heavily-fried...something.  Who can tell anymore?"
+			adjust_food_quality(0) //good job, you're truly the best cook.
 	filling_color = color
 	foodtype |= FRIED
 
diff --git a/code/modules/food_and_drinks/kitchen_machinery/deep_fryer.dm b/code/modules/food_and_drinks/kitchen_machinery/deep_fryer.dm
index 1215dd7ecb..2cd17a9020 100644
--- a/code/modules/food_and_drinks/kitchen_machinery/deep_fryer.dm
+++ b/code/modules/food_and_drinks/kitchen_machinery/deep_fryer.dm
@@ -104,6 +104,12 @@ God bless America.
 		else if(!frying && user.transferItemToLoc(I, src))
 			to_chat(user, "<span class='notice'>You put [I] into [src].</span>")
 			frying = new/obj/item/reagent_containers/food/snacks/deepfryholder(src, I)
+			//setup food quality for item depending on if it's edible or not
+			if(istype(I, /obj/item/reagent_containers/food))
+				/obj/item/reagent_containers/food/original_food = I
+				frying.adjust_food_quality(I.food_quality) //food quality remains unchanged until degree of frying is calculated
+			else
+				frying.food_quality = 10 //inedible fried item has low quality
 			icon_state = "fryer_on"
 			fry_loop.start()
 
diff --git a/code/modules/reagents/chemistry/reagents/toxin_reagents.dm b/code/modules/reagents/chemistry/reagents/toxin_reagents.dm
index 305d12b3c5..bd79ed5fb8 100644
--- a/code/modules/reagents/chemistry/reagents/toxin_reagents.dm
+++ b/code/modules/reagents/chemistry/reagents/toxin_reagents.dm
@@ -506,7 +506,7 @@
 	taste_description = "awful cooking"
 
 /datum/reagent/toxin/condensed_cooking_oil/on_mob_life(mob/living/carbon/M)
-	if(prob(15))
+	if(prob(5))
 		M.vomit()
 	else
 		if(prob(40))