Oat Milk Matcha Horchata

This matcha horchata is what happens when two beloved drinks find each other and realize they were made for this. Earthy ceremonial matcha whisked with hot water until smooth, poured over ice, and topped with a warm oat milk horchata infused with cinnamon, vanilla paste, and cane sugar. The result is creamy, slightly sweet, subtly spiced, and genuinely refreshing in a way that neither a standard matcha latte nor a standard horchata is on its own.

It is ready in 15 minutes, completely dairy-free, and the kind of drink you make once and then make every week after that. Afternoons are better with this in your hand.

Why You’ll Love This Matcha Horchata

• A genuinely original flavor: The earthy bitterness of ceremonial matcha and the warm cinnamon sweetness of horchata balance each other in a way that makes both taste more interesting than they do separately.
• Dairy-free and vegan: This oat milk matcha drink is completely dairy-free and vegan which makes it one of the most inclusive beverages you can serve.
• Ready in 15 minutes: Fifteen minutes from start to glass including the time it takes to heat the oat milk base. Most of that time is hands-off.
• Make-ahead friendly: The cinnamon-infused oat milk can be made ahead and stored in the refrigerator for up to 2 days so you can have this matcha horchata recipe ready in under 5 minutes on subsequent mornings.

Ingredients Needed to Make Matcha Horchata

• Matcha powder, sifted: use ceremonial-grade for the best color and flavor. Sifting before adding hot water prevents clumping. Culinary grade works for an everyday version with a slightly less vibrant color.
• Boiled water: used to whisk the matcha into a smooth, lump-free concentrate. Should be hot but not boiling when it hits the matcha to avoid bitterness.
• Oat milk: the dairy-free base for the horchata component. Unsweetened oat milk allows you to control the sweetness level with the cane sugar.
• Cinnamon stick: simmered in the oat milk to infuse a warm, subtle cinnamon flavor throughout the horchata base.
• Vanilla paste: adds a deeper, slightly floral sweetness with visible vanilla bean specks that make the drink look as good as it tastes. Vanilla extract works as a substitute.
• Cane sugar: sweetens the horchata base. Adjust to taste.
• Ice cubes: the foundation of the drink that the matcha and horchata pour over.

How to Make Matcha Horchata

Step 1: Make the Oat Horchata Base

In a small pot combine the oat milk, cinnamon stick, cane sugar, and vanilla paste. Bring to a gentle boil, then remove from heat and let cool to room temperature.

Step 2: Whisk the Matcha

Sift the matcha powder into a small cup or bowl. Add the hot water and whisk vigorously with a matcha whisk or frother until completely smooth with no clumps remaining. Let cool slightly.

Step 3: Assemble

Fill a tall glass with ice. Pour the matcha mixture over the ice. Slowly pour 1 1/2 cups of the cooled oat horchata over the matcha. Stir gently and serve.

Make-Ahead Tips

The oat milk horchata base keeps in the refrigerator for up to 2 days in a sealed container. Make a larger batch Sunday and have your matcha horchata ready in minutes through the week. Keep the matcha and the horchata base separate and combine fresh over ice for the best texture and temperature.

What to Serve With Matcha Horchata

Serve alongside Smiths in Bloom breakfast recipes for a complete morning situation. Pairs especially well with the Strawberry Almond French Toast Casserole for a weekend brunch that looks and tastes specifically curated. Also excellent alongside the No-Bake Chocolate Protein Balls as an afternoon snack combination that is genuinely satisfying.

What People Ask About Matcha Horchata

Can I use a different plant milk in matcha horchata?

Yes. Almond milk, rice milk, and soy milk all work well in place of oat milk. Make sure they are unsweetened and plain so the sweetness stays controlled by the cane sugar. Full-fat coconut milk produces a richer, creamier horchata base with a very subtle tropical note that pairs well with the matcha.

Do I have to use a cinnamon stick?

No. Substitute 1/4 teaspoon of ground cinnamon stirred directly into the oat milk if that is what you have. The flavor will be very similar though a cinnamon stick produces a cleaner, more subtly infused result.

What kind of matcha should I use?

Ceremonial-grade matcha is specifically recommended for the best color, the smoothest texture, and the most vibrant, least bitter flavor. Culinary-grade matcha works for everyday versions and produces a slightly more muted green color and a slightly more bitter taste. Either works in this recipe.

Can I make this in advance?

Yes. Store the oat horchata base and the matcha concentrate separately in the refrigerator for up to 2 days. The matcha concentrate made from sifted powder and hot water can be stored in a small sealed jar. Combine over fresh ice right before serving for the best result.