diff --git a/patches/api/0154-Implement-furnace-cook-speed-multiplier-API.patch b/patches/api/0154-Implement-furnace-cook-speed-multiplier-API.patch
index cb4250b87c..49c255c056 100644
--- a/patches/api/0154-Implement-furnace-cook-speed-multiplier-API.patch
+++ b/patches/api/0154-Implement-furnace-cook-speed-multiplier-API.patch
@@ -36,3 +36,27 @@ index c5a8c96fa2204d6b4d2409b1bfc97697d39d964e..9063cf370a0fe66c2a27086e125f9111
      @NotNull
      @Override
      public FurnaceInventory getInventory();
+diff --git a/src/main/java/org/bukkit/event/inventory/FurnaceStartSmeltEvent.java b/src/main/java/org/bukkit/event/inventory/FurnaceStartSmeltEvent.java
+index 533a33dbd4c4c3c07fe759206dc288efec5cd531..f13f1b4daa99fb86b60acc94d0406dcd8cb4d98b 100644
+--- a/src/main/java/org/bukkit/event/inventory/FurnaceStartSmeltEvent.java
++++ b/src/main/java/org/bukkit/event/inventory/FurnaceStartSmeltEvent.java
+@@ -13,11 +13,18 @@ public class FurnaceStartSmeltEvent extends BlockEvent {
+     private final CookingRecipe<?> recipe;
+     private int totalCookTime;
+ 
++    @Deprecated // Paper - furnace cook speed multiplier
+     public FurnaceStartSmeltEvent(@NotNull final Block furnace, @NotNull ItemStack source, @NotNull final CookingRecipe<?> recipe) {
++        // Paper start - furnace cook speed multiplier
++        this(furnace, source, recipe, recipe.getCookingTime());
++    }
++
++    public FurnaceStartSmeltEvent(@NotNull final Block furnace, @NotNull ItemStack source, @NotNull CookingRecipe<?> recipe, int cookingTime) {
++        // Paper end
+         super(furnace);
+         this.source = source;
+         this.recipe = recipe;
+-        this.totalCookTime = recipe.getCookingTime();
++        this.totalCookTime = cookingTime; // Paper - furnace cook speed multiplier
+     }
+ 
+     /**
diff --git a/patches/server/0270-Implement-furnace-cook-speed-multiplier-API.patch b/patches/server/0270-Implement-furnace-cook-speed-multiplier-API.patch
index e8e60c5a0e..c3b8163edd 100644
--- a/patches/server/0270-Implement-furnace-cook-speed-multiplier-API.patch
+++ b/patches/server/0270-Implement-furnace-cook-speed-multiplier-API.patch
@@ -11,7 +11,7 @@ to the nearest Integer when updating its current cook time.
 Modified by: Eric Su <ericsu@alumni.usc.edu>
 
 diff --git a/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
-index 265fa3cb96b7d39194a7e83b8b77b811bc3e8b40..348196524eb3770541966e7e842ff0ae7afd94ad 100644
+index 265fa3cb96b7d39194a7e83b8b77b811bc3e8b40..02ded982bc36ce6530c92e18a079dc0bec729273 100644
 --- a/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
 +++ b/src/main/java/net/minecraft/world/level/block/entity/AbstractFurnaceBlockEntity.java
 @@ -73,6 +73,7 @@ public abstract class AbstractFurnaceBlockEntity extends BaseContainerBlockEntit
@@ -42,6 +42,15 @@ index 265fa3cb96b7d39194a7e83b8b77b811bc3e8b40..348196524eb3770541966e7e842ff0ae
          ContainerHelper.saveAllItems(nbt, this.items);
          CompoundTag nbttagcompound1 = new CompoundTag();
  
+@@ -346,7 +353,7 @@ public abstract class AbstractFurnaceBlockEntity extends BaseContainerBlockEntit
+                     CraftItemStack source = CraftItemStack.asCraftMirror(blockEntity.items.get(0));
+                     CookingRecipe<?> recipe = (CookingRecipe<?>) irecipe.toBukkitRecipe();
+ 
+-                    FurnaceStartSmeltEvent event = new FurnaceStartSmeltEvent(CraftBlock.at(world, pos), source, recipe);
++                    FurnaceStartSmeltEvent event = new FurnaceStartSmeltEvent(CraftBlock.at(world, pos), source, recipe, AbstractFurnaceBlockEntity.getTotalCookTime(world, blockEntity.recipeType, blockEntity, blockEntity.cookSpeedMultiplier)); // Paper - cook speed multiplier API
+                     world.getCraftServer().getPluginManager().callEvent(event);
+ 
+                     blockEntity.cookingTotalTime = event.getTotalCookTime();
 @@ -354,9 +361,9 @@ public abstract class AbstractFurnaceBlockEntity extends BaseContainerBlockEntit
                  // CraftBukkit end