diff --git a/recipe.md b/recipe.md
index a8b51a4d..a8446ac4 100644
--- a/recipe.md
+++ b/recipe.md
@@ -4,9 +4,22 @@
 - 2 cups all-purpose flour
 - 1 3/4 cups granulated sugar
 - 3/4 cup unsweetened cocoa powder
-- ...
+- 1 cup chocolate chips
+- 1 tsp vanilla extract
+- 1/2 tsp ground cinnamon
+
 
 ## Instructions:
-1. Preheat the oven to 350°F (175°C).
-2. In a large bowl, whisk together the flour, sugar, and cocoa powder.
-3. ...
\ No newline at end of file
+1. Preheat the oven to 375°F (190°C).
+2. In a large bowl, whisk together the flour, sugar, cocoa powder, chocolate chip, vanilla extract and ground cinnamon.
+3. Add a tablespoon of instant coffee to the dry ingredients for a hint of mocha flavour.
+4. Mix in a handful of chocolate chunks for extra indulgence.
+5. Line the bottom of the baking pan with parchment paper for easy cake removal.
+6. In a separate bowl, beat the eggs and add them to the mixture. Stir until well combined.
+7. Gradually add the milk and vegetable oil to the mixture, continuing to stir.
+8. Pour the batter into a greased and floured 9x13-inch baking pan.
+9. Tap the pan gently on the counter to release any air bubbles.
+10. Bake for 30–35 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs (not wet batter).
+11. Remove from oven and let cool in the pan for 10–15 minutes.
+12. Transfer to a wire rack to cool completely before slicing.
+13. Enjoy your cake!!!!
\ No newline at end of file
diff --git a/src/DataTypes.java b/src/DataTypes.java
index 12c0618e..94b8a0ca 100644
--- a/src/DataTypes.java
+++ b/src/DataTypes.java
@@ -1,9 +1,8 @@
 public class DataTypes {
-    // TODO TASK 1: fix this code so that it passes the test in DataTypesTest.java
     public static long sum(int[] numbers) {
-        int s = 0; // variable to accumulate the sum in!
+        long s = 0L; // variable to accumulate the sum in!
         // below is a "foreach" loop which iterates through numbers
-        for (int x : numbers) {
+        for (long x : numbers) {
             s += x;
         }
         return s;