These Peanut Butter Iced Lattes combine a homemade peanut butter syrup with rich espresso and creamy milk over crushed ice, creating a smooth, nutty, and refreshing drink perfect for summer.

Peanut Butter Iced Lattes

Why You’ll Love This Recipe

Rich, nutty peanut butter flavor in every sip.
Easy homemade syrup that stores well.
Perfect balance of sweetness, creaminess, and bold coffee.
Can be made dairy-free with plant-based milk.
A refreshing caffeine boost for hot days.

ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

For the peanut butter syrup:
1 cup water
¾ cup sugar
¾ cup peanut butter
½ teaspoon vanilla extract

For the peanut butter iced latte:
2 ounces peanut butter syrup (or more to taste)
2 shots freshly brewed espresso
6 to 8 ounces milk
Crushed ice

directions

In a saucepan over medium heat, whisk together water and sugar until sugar dissolves.
Whisk in peanut butter until fully combined.
Let the mixture bubble and simmer for 3–4 minutes, whisking often.
Remove from heat and stir in vanilla extract. Allow to cool completely.
Store syrup in an airtight container in the fridge for up to 1 week.
To make the latte, fill a glass with crushed ice.
Add peanut butter syrup to the glass, then pour in the espresso. Stir to combine.
Top with milk and stir or shake before serving.

Servings and timing

Servings: 1 drink (plus extra syrup)
Prep time: 25 minutes
Cook time: 5 minutes
Total time: 30 minutes

Variations

Use almond or oat milk for a dairy-free version.
Add a pinch of cinnamon or cocoa powder for extra flavor.
Make it a frappe by blending with ice.
Swap espresso for cold brew coffee.

storage/reheating

Store peanut butter syrup in the refrigerator for up to 1 week.
Do not heat the latte; it’s meant to be served cold.
Shake or stir syrup before using, as separation is natural.

FAQs

Can I use crunchy peanut butter?

Yes, but for a smooth syrup, creamy peanut butter is best.

Can I make it without sugar?

You can use a sugar substitute, but texture and flavor may vary.

Can I use instant coffee?

Yes, dissolve 2 teaspoons instant coffee in 2 ounces hot water.

What milk works best?

Whole milk for creaminess, but any milk (dairy or plant-based) works.

Can I make the syrup ahead?

Yes, it lasts up to 1 week in the fridge.

Can I serve it hot?

Yes, skip the ice and use steamed milk.

Why did my syrup separate?

Peanut butter has natural oils—just whisk before using.

Can I double the recipe?

Yes, and store extra syrup for later.

Can I add chocolate?

Yes, stir in chocolate syrup for a peanut butter mocha.

How strong is the coffee flavor?

It’s balanced, but you can add more espresso for a bolder taste.

Conclusion

Peanut Butter Iced Lattes are a delicious twist on classic iced coffee, blending sweet peanut butter syrup, bold espresso, and creamy milk for a refreshing summer drink. Whether enjoyed in the morning or as an afternoon pick-me-up, this drink is pure nutty indulgence.