Food processor can be used to remove carpotoxin and acidic blood with master domestic skill

code/game/machinery/kitchen/processor.dm

@@ -19,15 +19,44 @@
 
 /datum/food_processor_process/process(loc, what)
 	if (src.output && loc)
-		new src.output(loc)
+		var/obj/item/reagent_container/food/snacks/created_food = new src.output(loc)
+		var/obj/item/reagent_container/food/snacks/original_food = what
+		if(original_food.made_from_player)
+			created_food.made_from_player = original_food.made_from_player
+			created_food.name = (created_food.made_from_player + created_food.name)
 	if (what)
 		qdel(what)
 
+/datum/food_processor_process/proc/can_use(mob/user)
+	// By default, anyone can do it.
+	return TRUE
+
 	/* objs */
+
+/datum/food_processor_process/xenomeat
+	input = /obj/item/reagent_container/food/snacks/meat/xenomeat
+	output = /obj/item/reagent_container/food/snacks/meat/xenomeat/processed
+
+/datum/food_processor_process/xenomeat/can_use(mob/user)
+	if(!skillcheck(user, SKILL_DOMESTIC, SKILL_DOMESTIC_MASTER))
+		to_chat(user, SPAN_DANGER("You aren't trained to remove dangerous substances from food!"))
+		return FALSE
+	return TRUE	
+
 /datum/food_processor_process/meat
 	input = /obj/item/reagent_container/food/snacks/meat
 	output = /obj/item/reagent_container/food/snacks/rawmeatball
 
+/datum/food_processor_process/carpmeat
+	input = /obj/item/reagent_container/food/snacks/carpmeat
+	output = /obj/item/reagent_container/food/snacks/carpmeat/processed
+
+/datum/food_processor_process/carpmeat/can_use(mob/user)
+	if(!skillcheck(user, SKILL_DOMESTIC, SKILL_DOMESTIC_MASTER))
+		to_chat(user, SPAN_DANGER("You aren't trained to remove dangerous substances from food!"))
+		return FALSE
+	return TRUE	
+
 /datum/food_processor_process/potato
 	input = /obj/item/reagent_container/food/snacks/grown/potato
 	output = /obj/item/reagent_container/food/snacks/rawsticks
@@ -88,6 +117,8 @@
 	if (!P)
 		to_chat(user, SPAN_DANGER("That probably won't blend."))
 		return 1
+	if(!P.can_use(user))
+		return 1
 	user.visible_message("[user] put [what] into [src].", \
 		"You put [what] into [src].")
 	user.drop_held_item()

code/game/objects/items/reagent_containers/food/snacks.dm

@@ -641,9 +641,17 @@
 /obj/item/reagent_container/food/snacks/carpmeat/Initialize()
 	. = ..()
 	reagents.add_reagent("fish", 3)
-	reagents.add_reagent("carpotoxin", 3)
+	reagents.add_reagent("carpotoxin", 6)
 	src.bitesize = 6
 
+/obj/item/reagent_container/food/snacks/carpmeat/processed
+	name = "processed carp fillet"
+	desc = "A fillet of spess carp meat. This one has been processed to remove carpotoxin."
+
+/obj/item/reagent_container/food/snacks/carpmeat/processed/Initialize()
+	. = ..()
+	reagents.remove_reagent("carpotoxin", 6)
+
 /obj/item/reagent_container/food/snacks/fishfingers
 	name = "Fish Fingers"
 	desc = "A finger of fish."
@@ -653,7 +661,6 @@
 /obj/item/reagent_container/food/snacks/fishfingers/Initialize()
 	. = ..()
 	reagents.add_reagent("fish", 4)
-	reagents.add_reagent("carpotoxin", 3)
 	bitesize = 3
 
 /obj/item/reagent_container/food/snacks/hugemushroomslice
@@ -802,7 +809,6 @@
 	. = ..()
 	reagents.add_reagent("bread", 3)
 	reagents.add_reagent("fish", 3)
-	reagents.add_reagent("carpotoxin", 3)
 	bitesize = 3
 
 /obj/item/reagent_container/food/snacks/tofuburger
@@ -850,7 +856,6 @@
 	. = ..()
 	reagents.add_reagent("bread", 3)
 	reagents.add_reagent("meatprotein", 3)
-	reagents.add_reagent("xenoblood", 3)
 	bitesize = 3
 
 /obj/item/reagent_container/food/snacks/clownburger
@@ -1070,7 +1075,6 @@
 	. = ..()
 	reagents.add_reagent("bread", 4)
 	reagents.add_reagent("meatprotein", 2)
-	reagents.add_reagent("xenoblood", 4)
 	bitesize = 2
 
 /obj/item/reagent_container/food/snacks/wingfangchu
@@ -1084,7 +1088,6 @@
 	. = ..()
 	reagents.add_reagent("soysauce", 4)
 	reagents.add_reagent("meatprotein", 4)
-	reagents.add_reagent("xenoblood", 4)
 	bitesize = 2
 
 /obj/item/reagent_container/food/snacks/human/kabob
@@ -1133,7 +1136,6 @@
 /obj/item/reagent_container/food/snacks/cubancarp/Initialize()
 	. = ..()
 	reagents.add_reagent("fish", 6)
-	reagents.add_reagent("carpotoxin", 3)
 	reagents.add_reagent("hotsauce", 3)
 	bitesize = 3
 
@@ -1690,7 +1692,6 @@
 /obj/item/reagent_container/food/snacks/fishandchips/Initialize()
 	. = ..()
 	reagents.add_reagent("fish", 6)
-	reagents.add_reagent("carpotoxin", 3)
 	bitesize = 3
 
 /obj/item/reagent_container/food/snacks/sandwich
@@ -2172,7 +2173,6 @@
 	reagents.add_reagent("bread", 10)
 	reagents.add_reagent("meatprotein", 10)
 	reagents.add_reagent("cheese", 10)
-	reagents.add_reagent("xenoblood", 10)
 	bitesize = 2
 
 /obj/item/reagent_container/food/snacks/xenomeatbreadslice

code/game/objects/items/reagent_containers/food/snacks/meat.dm

@@ -57,9 +57,16 @@
 
 /obj/item/reagent_container/food/snacks/meat/xenomeat/Initialize()
 	. = ..()
-	reagents.add_reagent("xenoblood", 3)
+	reagents.add_reagent("xenoblood", 6)
 	src.bitesize = 6
 
+/obj/item/reagent_container/food/snacks/meat/xenomeat/processed
+	desc = "A slab of acrid smelling meat. This one has been processed to remove acid."
+
+/obj/item/reagent_container/food/snacks/meat/xenomeat/processed/Initialize()
+	. = ..()
+	reagents.remove_reagent("xenoblood", 6)
+
 //fishable atoms meat
 // todo: rewrite this into a procgen'ed item when gutting fish? May be incompatible with recipe code if done that way and not hardcoded.
 /obj/item/reagent_container/food/snacks/meat/fish