diff --git a/src/main/java/refinedstorage/api/autocrafting/task/IProcessable.java b/src/main/java/refinedstorage/api/autocrafting/task/IProcessable.java
index d556973cd..756bb9ebd 100755
--- a/src/main/java/refinedstorage/api/autocrafting/task/IProcessable.java
+++ b/src/main/java/refinedstorage/api/autocrafting/task/IProcessable.java
@@ -3,6 +3,7 @@ package refinedstorage.api.autocrafting.task;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import refinedstorage.api.autocrafting.ICraftingPattern;
+import refinedstorage.api.util.IItemStackList;
 
 import java.util.Deque;
 
@@ -18,7 +19,15 @@ public interface IProcessable {
     /**
      * @return the stacks to insert
      */
-    Deque<ItemStack> getToInsert();
+    IItemStackList getToInsert();
+
+    /**
+     * Check if the processing can start
+     *
+     * @param list a list to compare the need inputs against
+     * @return true if processing can start
+     */
+    boolean canStartProcessing(IItemStackList list);
 
     void setStartedProcessing();
 
diff --git a/src/main/java/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java b/src/main/java/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
index 8abaecf89..fdf165938 100755
--- a/src/main/java/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
+++ b/src/main/java/refinedstorage/apiimpl/autocrafting/task/CraftingTask.java
@@ -236,33 +236,33 @@ public class CraftingTask implements ICraftingTask {
         for (IProcessable processable : toProcess) {
             IItemHandler inventory = processable.getPattern().getContainer().getFacingInventory();
 
-            if (inventory != null && !processable.getToInsert().isEmpty() && canProcess(processable)) {
+            if (!processable.isStartedProcessing() && inventory != null && processable.canStartProcessing(network.getItemStorageCache().getList()) && canProcess(processable)) {
                 processable.setStartedProcessing();
 
-                ItemStack toInsert = network.extractItem(processable.getToInsert().peek(), 1, DEFAULT_COMPARE | (pattern.isOredict() ? IComparer.COMPARE_OREDICT : 0));
+                for (ItemStack insertStack : processable.getToInsert().getStacks()) {
+                    ItemStack toInsert = network.extractItem(insertStack, insertStack.stackSize, DEFAULT_COMPARE | (processable.getPattern().isOredict() ? IComparer.COMPARE_OREDICT : 0));
 
-                if (ItemHandlerHelper.insertItem(inventory, toInsert, true) == null) {
-                    ItemHandlerHelper.insertItem(inventory, toInsert, false);
+                    if (ItemHandlerHelper.insertItem(inventory, toInsert, true) == null) {
+                        ItemHandlerHelper.insertItem(inventory, toInsert, false);
 
-                    processable.getToInsert().pop();
-
-                    network.sendCraftingMonitorUpdate();
+                        network.sendCraftingMonitorUpdate();
+                    }
                 }
             }
         }
 
         for (ItemStack stack : toTake.getStacks()) {
-            ItemStack stackExtracted = network.extractItem(stack, 1);
+            ItemStack stackExtracted = network.extractItem(stack, Math.min(stack.stackSize, 64));
 
             if (stackExtracted != null) {
-                toTake.remove(stack, 1, true);
+                toTake.remove(stack, stackExtracted.stackSize, true);
 
                 took.add(stackExtracted);
 
                 network.sendCraftingMonitorUpdate();
-            }
 
-            break;
+                break;
+            }
         }
 
         // If we took all the items, we can start taking fluids
@@ -276,9 +276,9 @@ public class CraftingTask implements ICraftingTask {
                     tookFluids.add(stackExtracted);
 
                     network.sendCraftingMonitorUpdate();
-                }
 
-                break;
+                    break;
+                }
             }
         }
 
diff --git a/src/main/java/refinedstorage/apiimpl/autocrafting/task/Processable.java b/src/main/java/refinedstorage/apiimpl/autocrafting/task/Processable.java
index d24918260..175988921 100755
--- a/src/main/java/refinedstorage/apiimpl/autocrafting/task/Processable.java
+++ b/src/main/java/refinedstorage/apiimpl/autocrafting/task/Processable.java
@@ -2,23 +2,20 @@ package refinedstorage.apiimpl.autocrafting.task;
 
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
-import net.minecraft.nbt.NBTTagList;
 import net.minecraftforge.common.util.Constants;
+import refinedstorage.RSUtils;
 import refinedstorage.api.autocrafting.ICraftingPattern;
 import refinedstorage.api.autocrafting.task.IProcessable;
+import refinedstorage.api.util.IComparer;
+import refinedstorage.api.util.IItemStackList;
 import refinedstorage.apiimpl.API;
 
-import java.util.ArrayDeque;
-import java.util.ArrayList;
-import java.util.Deque;
-import java.util.List;
-
 public class Processable implements IProcessable {
     private static final String NBT_SATISFIED = "Satisfied_%d";
     private static final String NBT_TO_INSERT = "ToInsert";
 
     private ICraftingPattern pattern;
-    private Deque<ItemStack> toInsert = new ArrayDeque<>();
+    private IItemStackList toInsert = API.instance().createItemStackList();
     private boolean satisfied[];
     private boolean startedProcessing;
 
@@ -45,19 +42,7 @@ public class Processable implements IProcessable {
             }
         }
 
-        NBTTagList toInsertList = tag.getTagList(NBT_TO_INSERT, Constants.NBT.TAG_COMPOUND);
-
-        List<ItemStack> toInsert = new ArrayList<>();
-
-        for (int i = 0; i < toInsertList.tagCount(); ++i) {
-            ItemStack stack = ItemStack.loadItemStackFromNBT(toInsertList.getCompoundTagAt(i));
-
-            if (stack != null) {
-                toInsert.add(stack);
-            }
-        }
-
-        this.toInsert = new ArrayDeque<>(toInsert);
+        this.toInsert = RSUtils.readItemStackList(tag.getTagList(NBT_TO_INSERT, Constants.NBT.TAG_COMPOUND));
     }
 
     @Override
@@ -66,10 +51,22 @@ public class Processable implements IProcessable {
     }
 
     @Override
-    public Deque<ItemStack> getToInsert() {
+    public IItemStackList getToInsert() {
         return toInsert;
     }
 
+    @Override
+    public boolean canStartProcessing(IItemStackList list) {
+        list = list.copy(); // So we can edit the list
+        for (ItemStack stack : toInsert.getStacks()) {
+            ItemStack actualStack = list.get(stack, IComparer.COMPARE_DAMAGE | IComparer.COMPARE_NBT | (pattern.isOredict() ? IComparer.COMPARE_OREDICT : 0));
+            if (actualStack == null || actualStack.stackSize == 0 || !list.remove(actualStack, true)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
     @Override
     public void setStartedProcessing() {
         startedProcessing = true;
@@ -119,13 +116,7 @@ public class Processable implements IProcessable {
             tag.setBoolean(String.format(NBT_SATISFIED, i), satisfied[i]);
         }
 
-        NBTTagList toInsertList = new NBTTagList();
-
-        for (ItemStack stack : new ArrayList<>(toInsert)) {
-            toInsertList.appendTag(stack.serializeNBT());
-        }
-
-        tag.setTag(NBT_TO_INSERT, toInsertList);
+        tag.setTag(NBT_TO_INSERT, RSUtils.serializeItemStackList(toInsert));
 
         return tag;
     }