diff --git a/code/modules/cooking/recipes/cutting_board_recipes.dm b/code/modules/cooking/recipes/cutting_board_recipes.dm
index c957cad7379..294825e03b1 100644
--- a/code/modules/cooking/recipes/cutting_board_recipes.dm
+++ b/code/modules/cooking/recipes/cutting_board_recipes.dm
@@ -414,6 +414,72 @@
 		PCWJ_ADD_ITEM(/obj/item/food/sliced/bread),
 	)
 
+/datum/cooking/recipe/glass_sandwich
+	container_type = /obj/item/reagent_containers/cooking/board
+	product_type = /obj/item/food/glass_sandwich
+	catalog_category = COOKBOOK_CATEGORY_BURGS
+	steps = list(
+		PCWJ_ADD_ITEM(/obj/item/food/sliced/bread),
+		PCWJ_ADD_ITEM(/obj/item/shard, exact = TRUE),
+		PCWJ_ADD_ITEM(/obj/item/food/sliced/bread),
+	)
+
+/datum/cooking/recipe/plasma_glass_sandwich
+	container_type = /obj/item/reagent_containers/cooking/board
+	product_type = /obj/item/food/glass_sandwich/plasma
+	catalog_category = COOKBOOK_CATEGORY_BURGS
+	steps = list(
+		PCWJ_ADD_ITEM(/obj/item/food/sliced/bread),
+		PCWJ_ADD_ITEM(/obj/item/shard/plasma),
+		PCWJ_ADD_ITEM(/obj/item/food/sliced/bread),
+	)
+
+/datum/cooking/recipe/plastitanium_glass_sandwich
+	container_type = /obj/item/reagent_containers/cooking/board
+	product_type = /obj/item/food/glass_sandwich/plasma/plastitanium
+	catalog_category = COOKBOOK_CATEGORY_BURGS
+	steps = list(
+		PCWJ_ADD_ITEM(/obj/item/food/sliced/bread),
+		PCWJ_ADD_ITEM(/obj/item/shard/plastitanium),
+		PCWJ_ADD_ITEM(/obj/item/food/sliced/bread),
+	)
+
+/// A step that allows either direct adding of a supermatter sliver
+/// (if you have somehow manage to hold one), or
+/// from tongs if those are used and contain a sliver in them.
+/datum/cooking/recipe_step/add_item/supermatter_sliver
+
+/datum/cooking/recipe_step/add_item/supermatter_sliver/check_conditions_met(obj/added_item, datum/cooking/recipe_tracker/tracker)
+	var/obj/item/retractor/supermatter/tongs = added_item
+	if(istype(tongs) && tongs.sliver)
+		return PCWJ_CHECK_VALID
+
+	var/obj/item/nuke_core/supermatter_sliver/sliver = added_item
+	if(istype(sliver))
+		return PCWJ_CHECK_VALID
+
+	return PCWJ_CHECK_INVALID
+
+/datum/cooking/recipe_step/add_item/supermatter_sliver/follow_step(obj/used_item, datum/cooking/recipe_tracker/tracker, mob/user)
+	var/obj/item/retractor/supermatter/tongs = used_item
+	if(istype(tongs) && tongs.sliver)
+		. = ..(tongs.sliver, tracker, user)
+		// TODO: refactor the tongs so they actually check if(sliver) in `update_icon()` instead of manually setting the icons everywhere.
+		tongs.sliver = null
+		tongs.update_appearance(UPDATE_ICON_STATE)
+	else
+		. = ..()
+
+/datum/cooking/recipe/supermatter_sandwich
+	container_type = /obj/item/reagent_containers/cooking/board
+	product_type = /obj/item/food/supermatter_sandwich
+	catalog_category = COOKBOOK_CATEGORY_BURGS
+	steps = list(
+		PCWJ_ADD_ITEM(/obj/item/food/sliced/bread),
+		new /datum/cooking/recipe_step/add_item/supermatter_sliver(),
+		PCWJ_ADD_ITEM(/obj/item/food/sliced/bread),
+	)
+
 /datum/cooking/recipe/philly_cheesesteak
 	container_type = /obj/item/reagent_containers/cooking/board
 	product_type = /obj/item/food/philly_cheesesteak
diff --git a/code/modules/food_and_drinks/food/foods/sandwiches.dm b/code/modules/food_and_drinks/food/foods/sandwiches.dm
index cd5760bf036..ac1e52f61d6 100644
--- a/code/modules/food_and_drinks/food/foods/sandwiches.dm
+++ b/code/modules/food_and_drinks/food/foods/sandwiches.dm
@@ -457,3 +457,59 @@
 	list_reagents = list("nutriment" = 5, "protein" = 2)
 	tastes = list("peanutbutter" = 3, "banana" = 3, "bread" = 2)
 	goal_difficulty = FOOD_GOAL_NORMAL
+
+/obj/item/food/glass_sandwich
+	name = "glass sandwich"
+	desc = "Crushed glass shards sandwiched between two slices of plain bread. Crunchy!"
+	icon = 'icons/obj/food/burgerbread.dmi'
+	icon_state = "glass_sandwich"
+	tastes = list("dozens of glass shards skewering your mouth" = 3, "pain" = 3, "bread" = 2)
+	list_reagents = list("nutriment" = 2, "glass_shards" = 5)
+	var/bite_damage = 2
+
+/obj/item/food/glass_sandwich/On_Consume(mob/living/M)
+	..()
+	M.adjustBruteLoss(bite_damage)
+
+/obj/item/food/glass_sandwich/plasma
+	name = "plasma glass sandwich"
+	desc = "Razor-sharp plasma glass shards, crushed up and sandwiched between two slices of plain bread. Extra crunchy!"
+	icon_state = "plasma_glass_sandwich"
+	list_reagents = list("nutriment" = 2, "glass_shards" = 5, "plasma" = 5)
+	bite_damage = 4
+
+/obj/item/food/glass_sandwich/plasma/plastitanium
+	name = "plastitanium glass sandwich"
+	desc = "Evil-looking plastitanium glass shards, crushed up and sandwiched between two slices of plain bread. Evilly crunchy!"
+	icon_state = "plastitanium_glass_sandwich"
+
+/obj/item/food/supermatter_sandwich
+	name = "supermatter sandwich"
+	desc = "A supermatter sliver, somehow safely contained between two slices of bread. You have been told many times to not lick the forbidden nacho... But surely one taste can't be that bad?"
+	icon = 'icons/obj/food/burgerbread.dmi'
+	icon_state = "supermatter_sandwich"
+	tastes = list("indescribable power" = 3, "bread" = 2)
+	list_reagents = list("vitamin" = 50) // Supermatter is full of energy!
+
+/obj/item/food/supermatter_sandwich/On_Consume(mob/living/M)
+	..()
+	if(!HAS_TRAIT(M, TRAIT_SUPERMATTER_IMMUNE))
+		M.visible_message(
+			"<span class='danger'>[M] lifts [src] up to [M.p_their()] mouth and bites down, inducing a resonance... [M.p_their(TRUE)] body starts to glow and burst into flames before flashing into dust!</span>",
+			"<span class='userdanger'>You bite down on [src].<br><br> Everything starts burning and all you can hear is ringing. Your final thought is: \"OH FU-\"</span>",
+			"<span class='danger'>A deafening resonance fills the air, followed by silence...</span>"
+		)
+		radiation_pulse(src, 2000, GAMMA_RAD)
+		playsound(src, 'sound/effects/supermatter.ogg', 50, TRUE)
+		M.drop_item() // How many bridge hobos will take a bite, I wonder?
+		M.dust()
+		message_admins("[src] has consumed [key_name_admin(M)] [ADMIN_JMP(src)].")
+		investigate_log("has consumed [key_name(M)].", INVESTIGATE_SUPERMATTER)
+
+/obj/item/food/supermatter_sandwich/process()
+	. = ..()
+	var/new_filter = isnull(get_filter("ray"))
+	ray_filter_helper(1, 40,"#ffd04f", 6, 20)
+	if(new_filter)
+		animate(get_filter("ray"), offset = 10, time = 10 SECONDS, loop = -1)
+		animate(offset = 0, time = 10 SECONDS)
diff --git a/code/modules/reagents/chemistry/reagents/toxins.dm b/code/modules/reagents/chemistry/reagents/toxins.dm
index d7e0abf3e09..3a588afc7fe 100644
--- a/code/modules/reagents/chemistry/reagents/toxins.dm
+++ b/code/modules/reagents/chemistry/reagents/toxins.dm
@@ -1329,3 +1329,27 @@
 
 /datum/reagent/gluttonytoxin/reaction_mob(mob/living/L, method=REAGENT_TOUCH, reac_volume)
 	L.ForceContractDisease(new /datum/disease/transformation/morph())
+
+/datum/reagent/glass_shards
+	name = "Glass shards"
+	id = "glass_shards"
+	description = "Glass, crushed into a coarse powder made up of razor-sharp shards."
+	color = "#87c6dac8"
+	taste_description = "<span class='userdanger'>Broken glass!</span>"
+
+/datum/reagent/glass_shards/on_mob_life(mob/living/M)
+	var/update_flags = STATUS_UPDATE_NONE
+	update_flags |= M.adjustBruteLoss(2, FALSE)
+	if(iscarbon(M) && prob(5)) // OH GOD IT'S CUTTING UP INSIDE ME AAAAAAAGHHHH!
+		var/mob/living/carbon/human/H = M
+		var/obj/item/organ/external/affected = H.get_organ(BODY_ZONE_CHEST)
+		if(affected.status & !ORGAN_INT_BLEEDING)
+			affected.cause_internal_bleeding()
+
+	return ..() | update_flags
+
+/datum/reagent/glass_shards/reaction_mob(mob/living/M, method = REAGENT_TOUCH, volume)
+	if(iscarbon(M))
+		to_chat(M, "<span class='userdanger'>OH GOD IT HURTS!</span>")
+		M.emote("scream")
+		M.adjustBruteLoss(4)
diff --git a/icons/obj/food/burgerbread.dmi b/icons/obj/food/burgerbread.dmi
index 684f20a5ccc..e8204d85815 100644
Binary files a/icons/obj/food/burgerbread.dmi and b/icons/obj/food/burgerbread.dmi differ