diff --git a/src/main/java/de/ellpeck/naturesaura/compat/patchouli/PatchouliCompat.java b/src/main/java/de/ellpeck/naturesaura/compat/patchouli/PatchouliCompat.java
index aefb83dd..85245420 100644
--- a/src/main/java/de/ellpeck/naturesaura/compat/patchouli/PatchouliCompat.java
+++ b/src/main/java/de/ellpeck/naturesaura/compat/patchouli/PatchouliCompat.java
@@ -18,6 +18,7 @@ import net.minecraft.client.renderer.RenderHelper;
 import net.minecraft.inventory.IInventory;
 import net.minecraft.item.crafting.IRecipe;
 import net.minecraft.item.crafting.IRecipeType;
+import net.minecraft.item.crafting.Ingredient;
 import net.minecraft.item.crafting.RecipeManager;
 import net.minecraft.util.ResourceLocation;
 import net.minecraft.util.text.StringTextComponent;
@@ -31,14 +32,13 @@ import net.minecraftforge.eventbus.api.SubscribeEvent;
 import net.minecraftforge.fml.DeferredWorkQueue;
 import net.minecraftforge.fml.client.gui.GuiUtils;
 import vazkii.patchouli.api.BookDrawScreenEvent;
+import vazkii.patchouli.api.IVariable;
 import vazkii.patchouli.api.PatchouliAPI;
 
 import java.time.LocalDateTime;
 import java.time.Month;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.Optional;
+import java.util.*;
+import java.util.stream.Collectors;
 
 public class PatchouliCompat implements ICompat {
 
@@ -66,6 +66,11 @@ public class PatchouliCompat implements ICompat {
         return (T) manager.getRecipe(pre).orElse(null);
     }
 
+    public static IVariable ingredientVariable(Ingredient ingredient) {
+        return IVariable.wrapList(Arrays.stream(ingredient.getMatchingStacks())
+                .map(IVariable::from).collect(Collectors.toList()));
+    }
+
     @Override
     public void setup() {
         DeferredWorkQueue.runLater(() -> {
diff --git a/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorAltar.java b/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorAltar.java
index 6741fccb..3be2f7a2 100644
--- a/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorAltar.java
+++ b/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorAltar.java
@@ -25,12 +25,12 @@ public class ProcessorAltar implements IComponentProcessor {
             return null;
         switch (key) {
             case "input":
-                return IVariable.from(this.recipe.input);
+                return PatchouliCompat.ingredientVariable(this.recipe.input);
             case "output":
                 return IVariable.from(this.recipe.output);
             case "catalyst":
                 if (this.recipe.catalyst != Ingredient.EMPTY)
-                    return IVariable.from(this.recipe.catalyst);
+                    return PatchouliCompat.ingredientVariable(this.recipe.catalyst);
                 else
                     return null;
             case "type":
diff --git a/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorAnimalSpawner.java b/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorAnimalSpawner.java
index 5a979ad7..6c73a3a0 100644
--- a/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorAnimalSpawner.java
+++ b/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorAnimalSpawner.java
@@ -25,7 +25,7 @@ public class ProcessorAnimalSpawner implements IComponentProcessor {
         if (key.startsWith("input")) {
             int id = Integer.parseInt(key.substring(5)) - 1;
             if (this.recipe.ingredients.length > id)
-                return IVariable.from(this.recipe.ingredients[id]);
+                return PatchouliCompat.ingredientVariable(this.recipe.ingredients[id]);
             else
                 return null;
         } else {
diff --git a/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorOffering.java b/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorOffering.java
index e1f1c00f..43906942 100644
--- a/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorOffering.java
+++ b/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorOffering.java
@@ -22,11 +22,11 @@ public class ProcessorOffering implements IComponentProcessor {
             return null;
         switch (key) {
             case "input":
-                return IVariable.from(this.recipe.input);
+                return PatchouliCompat.ingredientVariable(this.recipe.input);
             case "output":
                 return IVariable.from(this.recipe.output);
             case "start":
-                return IVariable.from(this.recipe.startItem);
+                return PatchouliCompat.ingredientVariable(this.recipe.startItem);
             case "name":
                 return IVariable.wrap(this.recipe.output.getDisplayName().getString());
             default:
diff --git a/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorTreeRitual.java b/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorTreeRitual.java
index 90514c56..1c5f9260 100644
--- a/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorTreeRitual.java
+++ b/src/main/java/de/ellpeck/naturesaura/compat/patchouli/ProcessorTreeRitual.java
@@ -23,7 +23,7 @@ public class ProcessorTreeRitual implements IComponentProcessor {
         if (key.startsWith("input")) {
             int id = Integer.parseInt(key.substring(5)) - 1;
             if (this.recipe.ingredients.length > id)
-                return IVariable.from(this.recipe.ingredients[id]);
+                return PatchouliCompat.ingredientVariable(this.recipe.ingredients[id]);
             else
                 return null;
         } else {
@@ -31,7 +31,7 @@ public class ProcessorTreeRitual implements IComponentProcessor {
                 case "output":
                     return IVariable.from(this.recipe.result);
                 case "sapling":
-                    return IVariable.from(this.recipe.saplingType);
+                    return PatchouliCompat.ingredientVariable(this.recipe.saplingType);
                 case "name":
                     return IVariable.wrap(this.recipe.result.getDisplayName().getString());
                 default:
diff --git a/src/main/resources/assets/naturesaura/models/item/book.json b/src/main/resources/assets/naturesaura/models/item/book.json
index f85844f4..6d67ff2a 100644
--- a/src/main/resources/assets/naturesaura/models/item/book.json
+++ b/src/main/resources/assets/naturesaura/models/item/book.json
@@ -1,5 +1,5 @@
 {
-  "parent": "item/generated",
+  "parent": "minecraft:item/generated",
   "textures": {
     "layer0": "naturesaura:item/book"
   }
diff --git a/src/main/resources/assets/naturesaura/models/item/color_changer.json b/src/main/resources/assets/naturesaura/models/item/color_changer.json
index c528a9a1..83f8aa52 100644
--- a/src/main/resources/assets/naturesaura/models/item/color_changer.json
+++ b/src/main/resources/assets/naturesaura/models/item/color_changer.json
@@ -1,5 +1,5 @@
 {
-    "parent": "item/generated",
+    "parent": "minecraft:item/generated",
     "textures": {
         "layer0": "naturesaura:item/color_changer"
     },
diff --git a/src/main/resources/assets/naturesaura/models/item/color_changer_fill_mode.json b/src/main/resources/assets/naturesaura/models/item/color_changer_fill_mode.json
index 957fb74a..7c068fff 100644
--- a/src/main/resources/assets/naturesaura/models/item/color_changer_fill_mode.json
+++ b/src/main/resources/assets/naturesaura/models/item/color_changer_fill_mode.json
@@ -1,5 +1,5 @@
 {
-    "parent": "item/generated",
+    "parent": "minecraft:item/generated",
     "textures": {
         "layer0": "naturesaura:item/color_changer_fill_mode",
         "layer1": "naturesaura:item/color_changer_fill_mode_overlay"
diff --git a/src/main/resources/assets/naturesaura/models/item/color_changer_filled.json b/src/main/resources/assets/naturesaura/models/item/color_changer_filled.json
index 23e8337d..4eb43ac7 100644
--- a/src/main/resources/assets/naturesaura/models/item/color_changer_filled.json
+++ b/src/main/resources/assets/naturesaura/models/item/color_changer_filled.json
@@ -1,5 +1,5 @@
 {
-    "parent": "item/generated",
+    "parent": "minecraft:item/generated",
     "textures": {
         "layer0": "naturesaura:item/color_changer",
         "layer1": "naturesaura:item/color_changer_overlay"