diff --git a/src/main/java/com/circulation/only_one_item/OOIConfig.java b/src/main/java/com/circulation/only_one_item/OOIConfig.java
index a521675..64c5d32 100644
--- a/src/main/java/com/circulation/only_one_item/OOIConfig.java
+++ b/src/main/java/com/circulation/only_one_item/OOIConfig.java
@@ -13,9 +13,11 @@
 import it.unimi.dsi.fastutil.objects.ObjectOpenHashSet;
 import net.minecraft.item.Item;
 import net.minecraft.util.ResourceLocation;
+import net.minecraftforge.common.config.Configuration;
 import net.minecraftforge.fluids.FluidRegistry;
 import net.minecraftforge.fml.common.Loader;
 
+import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.nio.charset.StandardCharsets;
@@ -28,12 +30,16 @@ public class OOIConfig {
     public static final List<ItemConversionTarget> items = new ObjectArrayList<>();
     public static final List<FluidConversionTarget> fluids = new ObjectArrayList<>();
     public static final Set<BlackMatchItem> blackList = new ObjectOpenHashSet<>();
+    public static boolean clearDuplicateRecipes = true;
+    public static boolean initializeBeforeCraftTweakerActions = true;
+    public static boolean processOreDictionaryAtLoadComplete = false;
 
     public static void readConfig() {
         var configPath = Loader.instance().getConfigDir().toPath().resolve("ooi");
         var ooiPath = configPath.resolve("ooi_item.json");
         var blackPath = configPath.resolve("ooi_item_black_list.json");
         var ooiFluidPath = configPath.resolve("ooi_fluid.json");
+        readGeneralConfig(Loader.instance().getConfigDir());
 
         try {
             Files.createDirectories(configPath);
@@ -99,6 +105,40 @@ public static void readConfig() {
         MatchFluidHandler.Init(OOIConfig.fluids);
     }
 
+    private static void readGeneralConfig(File configDir) {
+        Configuration config = new Configuration(new File(configDir, "only_one_item.cfg"));
+        try {
+            config.load();
+            clearDuplicateRecipes = config.getBoolean(
+                "clearDuplicateRecipes",
+                "recipes",
+                true,
+                "Remove duplicate crafting recipes generated by ore dictionary unification. " +
+                    "Disable this if another recipe manager or CraftTweaker scripts need to control recipe removals."
+            );
+            initializeBeforeCraftTweakerActions = config.getBoolean(
+                "initializeBeforeCraftTweakerActions",
+                "recipes",
+                true,
+                "When CraftTweaker is installed, initialize OOI stack unification at the start of CraftTweaker postInit " +
+                    "so CraftTweaker and ModTweaker removals see already-unified inputs."
+            );
+            processOreDictionaryAtLoadComplete = config.getBoolean(
+                "processOreDictionaryAtLoadComplete",
+                "recipes",
+                false,
+                "Run OOI ore dictionary post-processing during FMLLoadComplete. The old behavior used true, but it can " +
+                    "rewrite machine recipe inputs after CraftTweaker removals have already run."
+            );
+        } catch (Exception e) {
+            OnlyOneItem.LOGGER.error("[OOI]The config/only_one_item.cfg file is incorrect!", e);
+        } finally {
+            if (config.hasChanged()) {
+                config.save();
+            }
+        }
+    }
+
     private static void addItemTargets(Set<ItemConversionTarget> targets) {
         if (targets == null) return;
         for (ItemConversionTarget target : targets) {
diff --git a/src/main/java/com/circulation/only_one_item/OnlyOneItem.java b/src/main/java/com/circulation/only_one_item/OnlyOneItem.java
index 3522d8a..08a971c 100644
--- a/src/main/java/com/circulation/only_one_item/OnlyOneItem.java
+++ b/src/main/java/com/circulation/only_one_item/OnlyOneItem.java
@@ -25,6 +25,8 @@ public class OnlyOneItem {
 
     public static final Logger LOGGER = LogManager.getLogger(Tags.MOD_NAME);
 
+    private static boolean stackInitializationComplete = false;
+
     @Mod.Instance(MOD_ID)
     public static OnlyOneItem instance = null;
 
@@ -40,15 +42,31 @@ public void init(FMLInitializationEvent event) {
 
     @Mod.EventHandler
     public void postInit(FMLPostInitializationEvent event) {
-        InitHandler.allPreInit();
-        if (!Loader.isModLoaded("unidict")) {
+        initializeStacksOnce("OOI postInit");
+        if (!Loader.isModLoaded("unidict") && OOIConfig.clearDuplicateRecipes) {
             MatchItemHandler.clearRecipe();
+        } else if (!OOIConfig.clearDuplicateRecipes) {
+            LOGGER.info("[OOI] Duplicate recipe cleanup is disabled by config.");
         }
     }
 
     @Mod.EventHandler
     public void loadComplete(FMLLoadCompleteEvent event) {
-        MatchItemHandler.postODProcess();
+        if (OOIConfig.processOreDictionaryAtLoadComplete) {
+            MatchItemHandler.postODProcess();
+        } else {
+            LOGGER.info("[OOI] LoadComplete ore dictionary post-processing is disabled by config.");
+        }
     }
 
+    public static synchronized void initializeStacksOnce(String phase) {
+        if (stackInitializationComplete) {
+            LOGGER.debug("[OOI] Stack initialization already completed, skipping {}.", phase);
+            return;
+        }
+
+        LOGGER.info("[OOI] Initializing stack unification at {}.", phase);
+        InitHandler.allPreInit();
+        stackInitializationComplete = true;
+    }
 }
diff --git a/src/main/java/com/circulation/only_one_item/mixin/crt/MixinCraftTweaker.java b/src/main/java/com/circulation/only_one_item/mixin/crt/MixinCraftTweaker.java
new file mode 100644
index 0000000..4ffd9a5
--- /dev/null
+++ b/src/main/java/com/circulation/only_one_item/mixin/crt/MixinCraftTweaker.java
@@ -0,0 +1,20 @@
+package com.circulation.only_one_item.mixin.crt;
+
+import com.circulation.only_one_item.OOIConfig;
+import com.circulation.only_one_item.OnlyOneItem;
+import net.minecraftforge.fml.common.event.FMLPostInitializationEvent;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
+
+@Mixin(value = crafttweaker.mc1120.CraftTweaker.class, remap = false)
+public class MixinCraftTweaker {
+
+    @Inject(method = "onPostInit", at = @At("HEAD"))
+    private void ooi$initializeBeforeCraftTweakerActions(FMLPostInitializationEvent event, CallbackInfo ci) {
+        if (OOIConfig.initializeBeforeCraftTweakerActions) {
+            OnlyOneItem.initializeStacksOnce("CraftTweaker postInit");
+        }
+    }
+}
diff --git a/src/main/resources/mixins.only_one_item.crt.json b/src/main/resources/mixins.only_one_item.crt.json
index 12615e6..428ea91 100644
--- a/src/main/resources/mixins.only_one_item.crt.json
+++ b/src/main/resources/mixins.only_one_item.crt.json
@@ -6,9 +6,10 @@
   "minVersion": "0.8.5",
   "compatibilityLevel": "JAVA_8",
   "mixins": [
+    "MixinCraftTweaker",
     "MixinCrtCommonProxy"
   ],
   "server": [],
   "client": [
   ]
-}
\ No newline at end of file
+}