Created node to exist.

.idea/vcs.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="VcsDirectoryMappings">
-    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+    <mapping directory="" vcs="Git" />
   </component>
 </project>

src/RecipeNode.java

@@ -1,3 +1,27 @@
-public class RecipeNode
-{
+public class RecipeNode {
+    private String ingredient;  // Ingredient's name
+    private double portion;     // Portion size of ingredient
+    RecipeNode pointer;         // To point at parent node
+
+    // Accessors and Mutators for fields (Except pointer's)
+    RecipeNode(String ingredient, double portion) {
+        this.ingredient = ingredient;
+        this.portion = portion;
+    }
+
+    public void setIngredient(String ingredient) {
+        this.ingredient = ingredient;
+    }
+
+    public String getIngredient() {
+        return ingredient;
+    }
+
+    public void setPortion(double portion) {
+        this.portion = portion;
+    }
+
+    public double getPortion() {
+        return portion;
+    }
 }