diff --git a/code/datums/recipe.dm b/code/datums/recipe.dm
index 96b01b4242..460a13f7b7 100644
--- a/code/datums/recipe.dm
+++ b/code/datums/recipe.dm
@@ -69,23 +69,38 @@
 					break
 	return .
 
-/datum/recipe/proc/check_items(var/obj/machinery/microwave/container as obj)
+/datum/recipe/proc/check_items(var/obj/container as obj)
 	. = 1
 	if (items && items.len)
 		var/list/checklist = list()
 		checklist = items.Copy() // You should really trust Copy
-		for(var/obj/O in container.ingredient_list)
-			if(istype(O,/obj/item/weapon/reagent_containers/food/snacks/grown))
-				continue // Fruit is handled in check_fruit().
-			var/found = 0
-			for(var/i = 1; i < checklist.len+1; i++)
-				var/item_type = checklist[i]
-				if (istype(O,item_type))
-					checklist.Cut(i, i+1)
-					found = 1
-					break
-			if (!found)
-				. = 0
+		if(istype(container, /obj/machinery))
+			var/obj/machinery/machine = container
+			for(var/obj/O in (machine.contents - machine.component_parts))
+				if(istype(O,/obj/item/weapon/reagent_containers/food/snacks/grown))
+					continue // Fruit is handled in check_fruit().
+				var/found = 0
+				for(var/i = 1; i < checklist.len+1; i++)
+					var/item_type = checklist[i]
+					if (istype(O,item_type))
+						checklist.Cut(i, i+1)
+						found = 1
+						break
+				if (!found)
+					. = 0
+		else
+			for(var/obj/O in container.contents)
+				if(istype(O,/obj/item/weapon/reagent_containers/food/snacks/grown))
+					continue // Fruit is handled in check_fruit().
+				var/found = 0
+				for(var/i = 1; i < checklist.len+1; i++)
+					var/item_type = checklist[i]
+					if (istype(O,item_type))
+						checklist.Cut(i, i+1)
+						found = 1
+						break
+				if (!found)
+					. = 0
 		if (checklist.len)
 			. = -1
 	return .
@@ -93,25 +108,39 @@
 //general version
 /datum/recipe/proc/make(var/obj/container as obj)
 	var/obj/result_obj = new result(container)
-	for (var/obj/O in (container.contents-result_obj))
-		O.reagents.trans_to_obj(result_obj, O.reagents.total_volume)
-		qdel(O)
+	if(istype(container, /obj/machinery))
+		var/obj/machinery/machine = container
+		for (var/obj/O in ((machine.contents-result_obj)-machine.component_parts))
+			O.reagents.trans_to_obj(result_obj, O.reagents.total_volume)
+			qdel(O)
+	else
+		for (var/obj/O in (container.contents-result_obj))
+			O.reagents.trans_to_obj(result_obj, O.reagents.total_volume)
+			qdel(O)
 	container.reagents.clear_reagents()
 	return result_obj
 
 // food-related
-/datum/recipe/proc/make_food(var/obj/machinery/microwave/container as obj)
+/datum/recipe/proc/make_food(var/obj/container as obj)
 	if(!result)
 		world << "<span class='danger'>Recipe [type] is defined without a result, please bug this.</span>"
 		return
 	var/obj/result_obj = new result(container)
-	for (var/obj/O in (container.ingredient_list)) //We no longer need to take result_obj out of the list, since it doesn't exist in the list.
-		if (O.reagents)
-			O.reagents.del_reagent("nutriment")
-			O.reagents.update_total()
-			O.reagents.trans_to_obj(result_obj, O.reagents.total_volume)
-		qdel(O)
-	container.ingredient_list.Cut() //Trust in Cut().
+	if(istype(container, /obj/machinery))
+		var/obj/machinery/machine = container
+		for (var/obj/O in ((machine.contents-result_obj)-machine.component_parts))
+			if (O.reagents)
+				O.reagents.del_reagent("nutriment")
+				O.reagents.update_total()
+				O.reagents.trans_to_obj(result_obj, O.reagents.total_volume)
+			qdel(O)
+	else
+		for (var/obj/O in (container.contents-result_obj))
+			if (O.reagents)
+				O.reagents.del_reagent("nutriment")
+				O.reagents.update_total()
+				O.reagents.trans_to_obj(result_obj, O.reagents.total_volume)
+			qdel(O)
 	container.reagents.clear_reagents()
 	return result_obj
 
diff --git a/code/game/machinery/kitchen/microwave.dm b/code/game/machinery/kitchen/microwave.dm
index 16e8d8e6e7..e4b36b9402 100644
--- a/code/game/machinery/kitchen/microwave.dm
+++ b/code/game/machinery/kitchen/microwave.dm
@@ -18,8 +18,6 @@
 	var/global/list/acceptable_items // List of the items you can put in
 	var/global/list/acceptable_reagents // List of the reagents you can put in
 	var/global/max_n_of_items = 0
-	
-	var/list/ingredient_list = list()	//MUST BE INTIALIZED OR YOU GET RUNTIME ERRORS
 
 
 // see code/modules/food/recipes_microwave.dm for recipes
@@ -116,13 +114,12 @@
 			user << "<span class='warning'>It's dirty!</span>"
 			return 1
 	else if(is_type_in_list(O,acceptable_items))
-		if (ingredient_list.len>=max_n_of_items)
+		if (contents.len>=(max_n_of_items + component_parts.len))	//Adds component_parts to the maximum number of items.
 			user << "<span class='warning'>This [src] is full of ingredients, you cannot put more.</span>"
 			return 1
 		if(istype(O, /obj/item/stack) && O:get_amount() > 1) // This is bad, but I can't think of how to change it
 			var/obj/item/stack/S = O
-			var/obj/item/stack/K = new O.type (src) //Needed for change into ingredient lists, rather than just contents.
-			ingredient_list += K
+			new O.type (src)
 			S.use(1)
 			user.visible_message( \
 				"<span class='notice'>\The [user] has added one of [O] to \the [src].</span>", \
@@ -132,7 +129,6 @@
 		//	user.remove_from_mob(O)	//This just causes problems so far as I can tell. -Pete
 			user.drop_item()
 			O.loc = src
-			ingredient_list += O
 			user.visible_message( \
 				"<span class='notice'>\The [user] has added \the [O] to \the [src].</span>", \
 				"<span class='notice'>You add \the [O] to \the [src].</span>")
@@ -181,7 +177,7 @@
 		var/list/items_counts = new
 		var/list/items_measures = new
 		var/list/items_measures_p = new
-		for (var/obj/O in ingredient_list)
+		for (var/obj/O in (contents-component_parts))
 			var/display_name = O.name
 			if (istype(O,/obj/item/weapon/reagent_containers/food/snacks/egg))
 				items_measures[display_name] = "egg"
@@ -241,7 +237,7 @@
 	if(stat & (NOPOWER|BROKEN))
 		return
 	start()
-	if (reagents.total_volume==0 && !(locate(/obj) in ingredient_list)) //dry run
+	if (reagents.total_volume==0 && !(locate(/obj) in (contents-component_parts))) //dry run
 		if (!wzhzhzh(10))
 			abort()
 			return
@@ -303,7 +299,7 @@
 	return 1
 
 /obj/machinery/microwave/proc/has_extra_item()
-	for (var/obj/O in ingredient_list)
+	for (var/obj/O in (contents-component_parts))
 		if ( \
 				!istype(O,/obj/item/weapon/reagent_containers/food) && \
 				!istype(O, /obj/item/weapon/grown) \
@@ -329,9 +325,8 @@
 	src.updateUsrDialog()
 
 /obj/machinery/microwave/proc/dispose()
-	for (var/obj/O in ingredient_list)
+	for (var/obj/O in (contents-component_parts))
 		O.loc = src.loc
-		ingredient_list -= O
 	if (src.reagents.total_volume)
 		src.dirty++
 	src.reagents.clear_reagents()
@@ -365,7 +360,7 @@
 /obj/machinery/microwave/proc/fail()
 	var/obj/item/weapon/reagent_containers/food/snacks/badrecipe/ffuu = new(src)
 	var/amount = 0
-	for (var/obj/O in ingredient_list-ffuu)
+	for (var/obj/O in (contents-ffuu)-component_parts)
 		amount++
 		if (O.reagents)
 			var/id = O.reagents.get_master_reagent_id()