diff --git a/cookie.rb b/cookie.rb
index 09cc19a..d73c04a 100644
--- a/cookie.rb
+++ b/cookie.rb
@@ -6,4 +6,8 @@ def initialize(sugar, flour)
     @sugar, @flour = sugar, flour
   end
 
+  def calorie_count
+    @sugar * 3.87 + @flour * 3.64
+  end
+
 end