diff --git a/Spigot-Server-Patches/0674-Merchant-getRecipes-should-return-an-immutable-list.patch b/Spigot-Server-Patches/0674-Merchant-getRecipes-should-return-an-immutable-list.patch
new file mode 100644
index 000000000..396542d64
--- /dev/null
+++ b/Spigot-Server-Patches/0674-Merchant-getRecipes-should-return-an-immutable-list.patch
@@ -0,0 +1,19 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: jmp <jasonpenilla2@me.com>
+Date: Wed, 10 Feb 2021 14:53:36 -0800
+Subject: [PATCH] Merchant#getRecipes should return an immutable list
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMerchant.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMerchant.java
+index 50bc720d4268804f53b204091c9e8f0c17d8dd23..7159d73ac5c3ef881d9635d64e82847ac3731e22 100644
+--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftMerchant.java
++++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftMerchant.java
+@@ -25,7 +25,7 @@ public class CraftMerchant implements Merchant {
+ 
+     @Override
+     public List<MerchantRecipe> getRecipes() {
+-        return Collections.unmodifiableList(Lists.transform(merchant.getOffers(), new Function<net.minecraft.server.MerchantRecipe, MerchantRecipe>() {
++        return com.google.common.collect.ImmutableList.copyOf(Lists.transform(merchant.getOffers(), new Function<net.minecraft.server.MerchantRecipe, MerchantRecipe>() { // Paper - javadoc says 'an immutable list of trades' - not 'an unmodifiable view of a list of trades'. fixes issue with setRecipes(getRecipes())
+             @Override
+             public MerchantRecipe apply(net.minecraft.server.MerchantRecipe recipe) {
+                 return recipe.asBukkit();