Diet Coke Recipe
Make Diet Coke Recipe in just 18m. Get the full recipe with step-by-step instructions at pekinthechef.com.
Was this page helpful?
Help improve this recipe for others.
Send this recipe to your inbox.
We'll email it straight to you - plus weekly cooking inspiration.
Ingredients
Some product links may be affiliates. If you buy through them, you're supporting the site and Pekin may earn a commission at no extra cost to you.
Diet Cola Syrup (Concentrate)
To Serve
Method
Prepare Diet Cola Syrup (Concentrate)
- 1
Step 1
In a clean, food-grade container, measure 120 ml of filtered water and pour it in.
- 2
Step 2
Add 5 ml caramel color (E150d) to the water and whisk until evenly dispersed.
- 3
Step 3
Stir in 15 ml of cola flavor concentrate until fully blended.
- 4
Step 4
Carefully add 0.6 ml of phosphoric acid solution and mix well.
- 5
Step 5
Sprinkle in 0.5 g citric acid and stir to dissolve.
- 6
Step 6
If using, add 0.3 ml caffeine solution and stir thoroughly.
- 7
Step 7
Sweeten with 2 g artificial sweetener (aspartame or sucralose); stir until completely dissolved.
- 8
Step 8
Let the syrup rest for 5 minutes to meld flavors, then cover or bottle and refrigerate. This quantity yields approximately 200 ml of syrup.
Assemble and Serve
- 9
Step 9
Chill the carbonated water for 10 minutes if desired.
- 10
Step 10
To serve, pour 250 ml of carbonated water into a tall glass.
- 11
Step 11
Add approximately 50 ml of Diet Cola Syrup (Concentrate) per drink. This ratio yields four servings from the batch.
- 12
Step 12
Stir gently to combine. Adjust sweetness or strength by adding more syrup or water to taste.
- 13
Step 13
Serve immediately. Optional: add ice and a lemon twist for garnish.


