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Iced Brown Sugar Oat Milk Latte

Get ready, this one is a mouthful. This iced brown sugar vanilla oat milk latte (whoa told you a mouthful) will have you saying goodbye to those overpriced specialty drinks at that coffee chain you love so much. For a fraction of the price, you can make your own iced oat milk latte, exactly how you like it, without someone calling you by the wrong name. The best part, you know exactly what’s in your drink. No offense, but I just don’t trust those overly sweet syrups they pump 4-5 times in an 16 oz cup.

steamed oat milk being poured from above into latte

What You’ll Need?

  • Brown Sugar – Dark is preferable, but light is fine.
  • Water
  • Pure Vanilla Extract
  • Oat Milk – Not all oat milk froth. If you can get your hands on a barista blend do it! If not any Oatly froths well.
  • Espresso – Truth is, I didn’t even make this with espresso. Opps. If you don’t have an espresso machine just make really concentrated coffee. I used an Aeropress and did not dilute the coffee afterwords as you typically would. This would also be great with cold brew.

Can you substitute oat milk for regular dairy milk? Absolutely, just make sure you can steam it. Full fat milk works better than 2% or fat free which won’t froth up. Other nut milks such as almond or macadamia will also be a wonderful swap.

How do I get the sugar to dissolve in my cold brew? 2 words, simple syrup.

The Simple Simple Syrup Recipe

1/2 cup sugar
1/2 cup water
optional flavoring (think herbs, extracts ect)
Combine water, sugar, and flavoring (in this case it is vanilla extract) in a sauce pan over low heat. Heat until sugar is completely dissolved and take it off the stove to cool. Wait until it is completely cooled before using.

Iced Brown Sugar Oat Milk Latte

Print Recipe
Course Drinks
Keyword Coffee


Brown Sugar Vanilla Simple Syrup

  • 1/2 cup Brown Sugar Dark or Light
  • 1 tbsp Vanilla Extract Pure
  • 1/2 cup Water


  • 1/2 cup Strong Coffee or Expresso or 2 shots. Cooled
  • 1 cup Oat Milk or subsitute with a milk or milk alternative that will foam


  • Fill a large glass with ice and pour in cooled coffee.
  • Put desired amount of simple syrup. Reccomendation is to start with 1 tbsp and taste. Stir
  • Pour steamed oat milk to the top.

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