Make Starbucks White Chocolate Mocha Sauce at Home (Copycat)

This Starbucks white chocolate mocha sauce is the secret to making white mochas at home for a fraction of the drive-thru price. It takes 4 simple ingredients and 5 minutes, and it turns into a thick, creamy white chocolate sauce for coffee that closely mimics the one your barista pumps into your cup. Use it for hot lattes, iced white mochas, frappuccinos, and more. One batch costs about the same as a single Starbucks drink, so get ready to skip the line and enjoy barista-level bliss at home!

Unlike store-bought sauces, this recipe uses simple dairy ingredients you can easily find at the grocery store, no specialty cocoa butter or hard-to-find products required. It melts smoothly into hot drinks, blends beautifully into iced coffee, and thickens just enough in the fridge to feel like the real thing. I’ve been making this white mocha sauce ever since my husband and I got together, and it’s still our favorite little at-home treat.

If you’re here because you love Starbucks copycat recipes, make sure to also check out my homemade regular mocha sauce, this cold brew mocha drink, my white chocolate hot chocolate, and my Starbucks sweet cream cold brew recipe.

Why This White Chocolate Mocha Sauce Works

• Made with real white chocolate for authentic flavor
• Sweetened condensed milk adds richness and sweetness similar to Starbucks
• A blend of heavy cream and evaporated milk creates a smooth, pourable sauce
• Thickens naturally in the fridge, just like Starbucks sauces
• Melts easily into hot drinks and blends smoothly into iced coffee

This recipe was tested specifically so it behaves like a true white chocolate mocha sauce, not a grainy or overly thin syrup.

Ingredients for White Chocolate Mocha Sauce

Here are the ingredients you’ll need. Scroll down to the recipe card for exact measurements.

• White chocolate (bar or chips)
• Heavy cream
• Sweetened condensed milk
• Evaporated milk

Some recipes online use cocoa butter, but I intentionally skipped it here to keep the recipe approachable and easy to replicate at home.

How to Make White Chocolate Mocha Sauce

This sauce comes together quickly using either a microwave or a double boiler.

Microwave Method

1. Add the chopped white chocolate, heavy cream, evaporated milk, and sweetened condensed milk to a microwave-safe bowl.
2. Heat in 30-second intervals, stirring well between each round.
3. Once smooth and fully combined, let the sauce cool slightly before using or transferring to a container.

Double Boiler Method

If you don’t have a microwave, you can use a pot with simmering water and a heatproof bowl to gently melt everything together.

How to Store White Chocolate Mocha Sauce

• Stir or gently reheat before using if needed
• Store in an airtight container in the fridge for up to 7 days
• The sauce will thicken slightly as it chills

Coconut Condensed Milk Swap

Want to swap the sweetened condensed milk? Here’s the coconut version that works in this white mocha sauce:

Regular Ingredient	Coconut Swap
Sweetened condensed milk	Coconut condensed milk (Nature’s Charm) or sweetened condensed coconut milk (Let’s Do Organic)

All other recipe steps remain the same. Heads up: the heavy cream, evaporated milk, and white chocolate still contain dairy, so this swap alone doesn’t make the sauce dairy-free.

White Mocha Sauce vs. White Mocha Syrup

People search for white mocha syrup and white chocolate syrup for coffee all the time, but what Starbucks uses is a sauce. Sauce is made with real melted white chocolate, so it’s thick, creamy, and coats your drink. A syrup is thinner and mostly adds sweetness. This homemade white chocolate coffee syrup, I mean sauce (see, everyone mixes them up!), gives you the creamy texture a true white mocha needs. If you want a thin pump-style syrup instead, my homemade mocha coffee syrup and the rest of my homemade coffee syrup recipes have you covered.

How Much White Mocha Sauce to Use

One Starbucks pump is about 1/2 tablespoon. Here’s how much goes in each size:

Size	Pumps	Tablespoons
Short	2	1
Tall	3	1 1/2
Grande	4	2
Venti hot	5	2 1/2
Venti iced	6	3

How to Use White Chocolate Sauce for Coffee Drinks

White Chocolate Mocha

Ingredients:

• 2 tbsp white chocolate sauce
• 2 shots espresso
• 1 cup steamed milk

Instructions:

1. Add white chocolate sauce to a mug. Pour in hot espresso and stir until sauce is melted and incorporated.
2. Pour steamed milk over top, using a spoon to hold back the foam. Top with foam and enjoy.

Iced White Mocha

Ingredients:

• 2 tbsp white chocolate sauce
• 2 shots espresso
• 1 cup milk
• Ice

Instructions:

1. In a tall glass, mix white chocolate sauce with hot espresso until fully incorporated.
2. Add cold milk and stir. Fill glass with ice and enjoy.

White Mocha Frappuccino

Ingredients:

• 2 tbsp white chocolate sauce
• 1 shot espresso
• 1 cup milk
• 2 cups ice
• Whipped cream (optional)

Instructions:

1. Add white chocolate sauce, espresso, milk, and ice to a blender. Blend on high until smooth and frothy.
2. Pour into a glass and top with whipped cream if desired. Serve immediately.

Vanilla Sweet Cream White Mocha

Ingredients:

• 2 tbsp white chocolate sauce
• 2 shots espresso
• 1/2 cup milk
• 1/2 cup vanilla sweet cream (recipe below)

Instructions:

1. Mix white chocolate sauce with hot espresso in a mug until incorporated.
2. Steam milk and vanilla sweet cream together. Pour over espresso mixture and enjoy.

Vanilla Sweet Cream:

• 1 cup heavy cream
• 2 tbsp vanilla syrup
• 2 tbsp 2% milk

Combine all ingredients in a jar and shake until mixed. Keeps up to 1 week.

Homemade vs Torani vs Starbucks

Factor	Homemade	Torani Puremade Sauce	Starbucks Bottle
Taste	Creamy, true to recipe	Overly sweet, artificial	Close to in-store drink
Cost per use	$0.25/2 tbsp	$0.59/2 tbsp	$1.04/2 tbsp
Ingredients	White chocolate, heavy cream, evaporated milk, sweetened condensed milk	Corn syrup, palm oil, natural flavors, titanium dioxide (a bleaching agent)	Sugar, condensed milk, cocoa butter, natural flavors
Shelf life	1 week in fridge	12 months	12 months

Frequently asked questions – FAQ

Ways to Use White Chocolate Mocha Sauce

• Sweetened oatmeal or desserts
• White chocolate mochas (hot or iced)
• Frappuccinos and blended drinks
• Steamed milk or sweet cream–style drinks
• Drizzled over ice cream, pancakes, or waffles
• Mixed into whipped cream