diff --git a/javascript/index.js b/javascript/index.js
index 9f30552db..afdfe1974 100644
--- a/javascript/index.js
+++ b/javascript/index.js
@@ -4,7 +4,7 @@
 // 🚨🚨🚨 Comment out the below code before you start working on the code
 
 // Out of sync
-  getInstruction("mashedPotatoes", 0, (step1) => {
+ /* getInstruction("mashedPotatoes", 0, (step1) => {
     document.querySelector("#mashedPotatoes").innerHTML += `<li>${step1}</li>`;
   }, (error) => console.log(error));
   
@@ -25,16 +25,144 @@
     document.querySelector("#mashedPotatoesImg").removeAttribute("hidden");
   }, (error) => console.log(error));
 
-
+*/
 
 // Iteration 1 - using callbacks
-// ...
+
+function onError(err) {
+  console.error(err);
+}
+
+const mashedPotatoesList = document.querySelector("#mashedPotatoes");
+
+getInstruction("mashedPotatoes", 0, (step0) => {
+  mashedPotatoesList.innerHTML += `<li>${step0}</li>`;
+
+  getInstruction("mashedPotatoes", 1, (step1) => {
+    mashedPotatoesList.innerHTML += `<li>${step1}</li>`;
+
+    getInstruction("mashedPotatoes", 2, (step2) => {
+      mashedPotatoesList.innerHTML += `<li>${step2}</li>`;
+
+      getInstruction("mashedPotatoes", 3, (step3) => {
+        mashedPotatoesList.innerHTML += `<li>${step3}</li>`;
+
+        getInstruction("mashedPotatoes", 4, (step4) => {
+          mashedPotatoesList.innerHTML += `<li>${step4}</li>`;
+          mashedPotatoesList.innerHTML += `<li>Mashed potatoes are ready!</li>`;
+          const img = document.querySelector("#mashedPotatoesImg");
+          if (img) img.removeAttribute("hidden");
+        }, onError);
+
+      }, onError);
+
+    }, onError);
+
+  }, onError);
+
+}, onError);
+
 
 // Iteration 2 - using promises
-// ...
 
-// Iteration 3 using async/await
-// ...
+const steakList = document.querySelector("#steak");
+
+obtainInstruction("steak", 0)
+  .then((step0) => {
+    steakList.innerHTML += `<li>${step0}</li>`;
+    return obtainInstruction("steak", 1);
+  })
+  .then((step1) => {
+    steakList.innerHTML += `<li>${step1}</li>`;
+    return obtainInstruction("steak", 2);
+  })
+  .then((step2) => {
+    steakList.innerHTML += `<li>${step2}</li>`;
+    return obtainInstruction("steak", 3);
+  })
+  .then((step3) => {
+    steakList.innerHTML += `<li>${step3}</li>`;
+    return obtainInstruction("steak", 4);
+  })
+  .then((step4) => {
+    steakList.innerHTML += `<li>${step4}</li>`;
+    return obtainInstruction("steak", 5);
+  })
+  .then((step5) => {
+    steakList.innerHTML += `<li>${step5}</li>`;
+    return obtainInstruction("steak", 6);
+  })
+  .then((step6) => {
+    steakList.innerHTML += `<li>${step6}</li>`;
+    return obtainInstruction("steak", 7);
+  })
+  .then((step7) => {
+    steakList.innerHTML += `<li>${step7}</li>`;
+    steakList.innerHTML += `<li>Steak is ready!</li>`;
+    const img = document.querySelector("#steakImg");
+    if (img) img.removeAttribute("hidden");
+  })
+  .catch((err) => console.error(err));
+
+
+// Iteration 3 - using async/await
+
+async function makeBroccoli() {
+  try {
+    const broccoliList = document.querySelector("#broccoli");
+
+    const step0 = await obtainInstruction("broccoli", 0);
+    broccoliList.innerHTML += `<li>${step0}</li>`;
+
+    const step1 = await obtainInstruction("broccoli", 1);
+    broccoliList.innerHTML += `<li>${step1}</li>`;
+
+    const step2 = await obtainInstruction("broccoli", 2);
+    broccoliList.innerHTML += `<li>${step2}</li>`;
+
+    const step3 = await obtainInstruction("broccoli", 3);
+    broccoliList.innerHTML += `<li>${step3}</li>`;
+
+    const step4 = await obtainInstruction("broccoli", 4);
+    broccoliList.innerHTML += `<li>${step4}</li>`;
+
+    const step5 = await obtainInstruction("broccoli", 5);
+    broccoliList.innerHTML += `<li>${step5}</li>`;
+
+    const step6 = await obtainInstruction("broccoli", 6);
+    broccoliList.innerHTML += `<li>${step6}</li>`;
+
+    broccoliList.innerHTML += `<li>Broccoli is ready!</li>`;
+    const img = document.querySelector("#broccoliImg");
+    if (img) img.removeAttribute("hidden");
+  } catch (err) {
+    console.error(err);
+  }
+}
+
+makeBroccoli();
+
+
+// Bonus: Iteration 5 - Promise.all()
+
+const brusselsList = document.querySelector("#brusselsSprouts");
 
-// Bonus 2 - Promise all
-// ...
\ No newline at end of file
+Promise.all([
+  obtainInstruction("brusselsSprouts", 0),
+  obtainInstruction("brusselsSprouts", 1),
+  obtainInstruction("brusselsSprouts", 2),
+  obtainInstruction("brusselsSprouts", 3),
+  obtainInstruction("brusselsSprouts", 4),
+  obtainInstruction("brusselsSprouts", 5),
+  obtainInstruction("brusselsSprouts", 6),
+  obtainInstruction("brusselsSprouts", 7),
+])
+  .then((steps) => {
+    steps.forEach((step) => {
+      brusselsList.innerHTML += `<li>${step}</li>`;
+    });
+    brusselsList.innerHTML += `<li>Brussels sprouts are ready!</li>`;
+    const img = document.querySelector("#brusselsSproutsImg");
+    if (img) img.removeAttribute("hidden");
+  })
+  .catch((err) => console.error(err));
\ No newline at end of file