diff --git a/scripts/item.gd b/scripts/item.gd
index 8ce25ff..f7c5a06 100644
--- a/scripts/item.gd
+++ b/scripts/item.gd
@@ -1,4 +1,4 @@
-extends Resource
+extends Comparable
 
 ## Base unit of manipulated objects
 
@@ -14,3 +14,10 @@ class_name Item
 @export var stack_size : int
 
 @export var scene : PackedScene
+
+func is_equal(to: Comparable) -> bool:
+	if to is Item:
+		return to == self
+	elif to is ItemTag:
+		return self in to.items
+	return false
diff --git a/scripts/recipe/comparable.gd b/scripts/recipe/comparable.gd
new file mode 100644
index 0000000..14c9cdf
--- /dev/null
+++ b/scripts/recipe/comparable.gd
@@ -0,0 +1,7 @@
+@abstract
+extends Resource
+
+class_name Comparable
+
+@abstract
+func is_equal(to: Comparable) -> bool
diff --git a/scripts/recipe/comparable.gd.uid b/scripts/recipe/comparable.gd.uid
new file mode 100644
index 0000000..4fa1576
--- /dev/null
+++ b/scripts/recipe/comparable.gd.uid
@@ -0,0 +1 @@
+uid://bqcyt8qnxvonj
diff --git a/scripts/recipe/item_tag.gd b/scripts/recipe/item_tag.gd
new file mode 100644
index 0000000..2202497
--- /dev/null
+++ b/scripts/recipe/item_tag.gd
@@ -0,0 +1,12 @@
+extends Comparable
+
+class_name ItemTag
+
+@export var items : Array[Item]
+
+func is_equal(to: Comparable) -> bool:
+	if to is Item:
+		return to in self.items
+	elif to is ItemTag:
+		return to == self
+	return false
diff --git a/scripts/recipe/item_tag.gd.uid b/scripts/recipe/item_tag.gd.uid
new file mode 100644
index 0000000..e7448d8
--- /dev/null
+++ b/scripts/recipe/item_tag.gd.uid
@@ -0,0 +1 @@
+uid://iasxpubh7f3i
diff --git a/scripts/recipe/recipe.gd b/scripts/recipe/recipe.gd
new file mode 100644
index 0000000..610c1fb
--- /dev/null
+++ b/scripts/recipe/recipe.gd
@@ -0,0 +1,6 @@
+extends Resource
+
+class_name Recipe
+
+@export var ingridients : Array[RecipePart]
+@export var result : RecipePart
diff --git a/scripts/recipe/recipe.gd.uid b/scripts/recipe/recipe.gd.uid
new file mode 100644
index 0000000..ea1d160
--- /dev/null
+++ b/scripts/recipe/recipe.gd.uid
@@ -0,0 +1 @@
+uid://dl0i68ut0lw70
diff --git a/scripts/recipe/recipe_part.gd b/scripts/recipe/recipe_part.gd
new file mode 100644
index 0000000..94b17a2
--- /dev/null
+++ b/scripts/recipe/recipe_part.gd
@@ -0,0 +1,22 @@
+extends Resource
+
+class_name RecipePart
+
+@export var item : Comparable
+@export var amount : int
+
+func is_stack_sufficient(stack: Stack) -> bool:
+	return item.is_equal(stack.held_item) and stack.amount >= amount
+
+func consume_stack(stack: Stack) -> bool:
+	if is_stack_sufficient(stack) == false:
+		return false
+	stack.amount -= amount
+	return true
+
+func create_stack() -> Stack:
+	if item is Item:
+		return Stack.new(item,amount)
+	elif item is ItemTag:
+		return Stack.new(item.items[randi_range(0,len(item.items))],amount)
+	return null
diff --git a/scripts/recipe/recipe_part.gd.uid b/scripts/recipe/recipe_part.gd.uid
new file mode 100644
index 0000000..fcc318d
--- /dev/null
+++ b/scripts/recipe/recipe_part.gd.uid
@@ -0,0 +1 @@
+uid://w4v6jqv1ygqb