Adds a recipe for appendix burgers.

Has a custom sprite which I made, which essentially looks like the standard burger.
Currently no distinction between inflamed and non-inflamed appendixes because I don't know how to check vars without making a separate check like with human meat when processing the recipe.

code/modules/food/recipes_microwave.dm

@@ -91,6 +91,14 @@
 	)
 	result = /obj/item/weapon/reagent_containers/food/snacks/monkeyburger
 
+/datum/recipe/appendixburger
+	reagents = list("flour" = 5)
+	items = list(
+		/obj/item/organ/appendix
+	)
+	result = /obj/item/weapon/reagent_containers/food/snacks/appendixburger
+
+
 /datum/recipe/brainburger
 	reagents = list("flour" = 5)
 	items = list(

code/modules/reagents/reagent_containers/food/snacks.dm

@@ -654,6 +654,15 @@
 		reagents.add_reagent("nutriment", 6)
 		bitesize = 2
 
+/obj/item/weapon/reagent_containers/food/snacks/appendixburger
+	name = "appendix burger"
+	desc = "Tastes like appendicitis."
+	icon_state = "hburger"
+	New()
+		..()
+		reagents.add_reagent("nutriment", 6)
+		bitesize = 2
+
 /obj/item/weapon/reagent_containers/food/snacks/fishburger
 	name = "fillet -o- carp sandwich"
 	desc = "Almost like a carp is yelling somewhere... Give me back that fillet -o- carp, give me that carp."