PaperMC/paper-server/nms-patches/net/minecraft/world/item/crafting/RecipeStonecutting.patch

--- a/net/minecraft/world/item/crafting/RecipeStonecutting.java
+++ b/net/minecraft/world/item/crafting/RecipeStonecutting.java
@@ -5,6 +5,14 @@
 import net.minecraft.world.level.World;
 import net.minecraft.world.level.block.Blocks;
 
+// CraftBukkit start
+import org.bukkit.NamespacedKey;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
+import org.bukkit.craftbukkit.inventory.CraftRecipe;
+import org.bukkit.craftbukkit.inventory.CraftStonecuttingRecipe;
+import org.bukkit.inventory.Recipe;
+// CraftBukkit end
+
 public class RecipeStonecutting extends RecipeSingleItem {
 
     public RecipeStonecutting(String s, RecipeItemStack recipeitemstack, ItemStack itemstack) {
@@ -20,4 +28,16 @@
     public ItemStack getToastSymbol() {
         return new ItemStack(Blocks.STONECUTTER);
     }
+
+    // CraftBukkit start
+    @Override
+    public Recipe toBukkitRecipe(NamespacedKey id) {
+        CraftItemStack result = CraftItemStack.asCraftMirror(this.result);
+
+        CraftStonecuttingRecipe recipe = new CraftStonecuttingRecipe(id, result, CraftRecipe.toBukkit(this.ingredient));
+        recipe.setGroup(this.group);
+
+        return recipe;
+    }
+    // CraftBukkit end
 }