Fixes #8388

code/modules/hydroponics/grown.dm

@@ -298,6 +298,21 @@
 		if(src) del(src)
 		return
 
+	if(seed.kitchen_tag == "grass")
+		user.show_message("<span class='notice'>You make a grass tile out of \the [src]!</span>", 1)
+		for(var/i=0,i<2,i++)
+			var/obj/item/stack/tile/grass/G = new (user.loc)
+			G.color = seed.get_trait(TRAIT_PRODUCT_COLOUR)
+			for (var/obj/item/stack/tile/grass/NG in user.loc)
+				if(G==NG)
+					continue
+				if(NG.amount>=NG.max_amount)
+					continue
+				NG.attackby(G, user)
+			user << "You add the newly-formed grass to the stack. It now contains [G.amount] tiles."
+		del(src)
+		return
+
 	if(seed.get_trait(TRAIT_SPREAD) > 0)
 		user << "<span class='notice'>You plant the [src.name].</span>"
 		new /obj/machinery/portable_atmospherics/hydroponics/soil/invisible(get_turf(user),src.seed)

code/modules/hydroponics/seed_datums.dm

@@ -870,7 +870,8 @@
 	name = "grass"
 	seed_name = "grass"
 	display_name = "grass"
-	chems = list("nutriment" = list(1,20), "orangejuice" = list(1,20))
+	chems = list("nutriment" = list(1,20))
+	kitchen_tag = "grass"
 
 /datum/seed/grass/New()
 	..()