• Skip to main content
  • Skip to primary sidebar
Mamá Maggie's Kitchen
menu icon
go to homepage
  • Recipe Index
  • By Category
    • Agua Frescas
    • Appetizers
    • Beef
    • Breakfast
    • Chicken
    • Dessert
    • Drinks
    • Pork
    • Salsa Recipes
    • Seafood
    • Side Dishes
    • Soup
    • Tamales
    • Vegetarian
  • Contact
  • About
    • Facebook
    • Instagram
    • Pinterest
    • Twitter
    • YouTube
  • search icon
    Homepage link
    • Recipe Index
    • By Category
      • Agua Frescas
      • Appetizers
      • Beef
      • Breakfast
      • Chicken
      • Dessert
      • Drinks
      • Pork
      • Salsa Recipes
      • Seafood
      • Side Dishes
      • Soup
      • Tamales
      • Vegetarian
    • Contact
    • About
    • Facebook
    • Instagram
    • Pinterest
    • Twitter
    • YouTube
  • ×

    Home » All Recipes » Drinks

    Agua de Avena (Oat Water)

    Published: Feb 17, 2023 · Updated: Nov 7, 2024 by Maggie Unzueta

    Stay hydrated with this yummy Agua de Avena (or oat water). Only a handful of ingredients are needed to put together this wonderfully refreshing drink.
    Jump to Recipe Add us as a Google trusted source
    Agua de Avena (or Oat Water) served with a cinnamon stick in a glass cup.
    Agua de avena served with cinnamon stick in a glass cup.
    A glass with Agua de Avena placed on a wood cutboard next to a bowl of dried oats.
    Agua de Avena served in a crystal glass next to a bowl with dried oatmeal.
    Agua de Avena served in a crystal glass next to a bowl with dried oatmeal.

    Agua de Avena is a yummy agua fresca made with oats. It goes great with just about any Mexican recipe. 

    This post may include affiliate links. As an Amazon Associate I earn from qualifying purchases.

    Often referred to as Horchata de Avena, it requires soaking the main ingredient as in this authentic Horchata recipe.

    Many people claim that it helps lose weight while others drink it for its beneficial nutrients. 

    Naturally vegan, plant-based, and incredibly easy to make. Be sure to serve with plenty of ice. 

    Table of Contents

    • 1 Ingredients
    • 2 Instructions
    • 3 Variations:
    • 4 Oat Milk vs Oat Water
    • 5 Storing Instructions:
    • 6 More Agua Fresca Recipes:
      • 6.1 Hungry for More
    • 7 Agua de Avena (Oat Water)
      • 7.1 Ingredients
      • 7.2 Instructions
      • 7.3 Notes
      • 7.4 Nutrition

    Ingredients

    The ingredients needed to make oat water labeled and sitting on a white marble surface.
    • oatmeal
    • water
    • vanilla 
    • ground cinnamon
    • sugar substitute, to taste

    Rolled oats or old-fashioned oats work best in this recipe. Using quick oats or instant oats will result in a mushy texture. 

    Use a sugar substitute like Stevia or Monk Fruit, or honey. 

    To make it creamier, add sweetened condensed milk. 

    Instructions

    Making the Agua de Avena Mixture
    • Mix the oatmeal with 1 cup of water. 
    • Cover the bowl with plastic wrap. 
    • Soak the oats overnight in the fridge. 
    • The next morning, discard the water used to soak the oats. 

    The oatmeal will absorb some of the water, but not all of the liquid. Then strain and rinse the soaked oats with clean water. 

    Put the oatmeal in a blender. 

    Then add vanilla, cinnamon, sugar substitute, and the rest of the water. 

    Agua de Avena mixture in a blender
    • Blend and serve. 

    Taste for good measure. Add more sugar, if needed. 

    You’ll notice immediately that it’s not too sweet. If you like it sweeter, adjust to your liking. 

    Agua de Avena served in a glass cup

    Garnish with a little cinnamon on top. Chill and keep refrigerated.

    Variations:

    Dissolve a spoonful of instant coffee for a little coffee flavor. 

    Or, chocolate powder for a chocolate-y taste. 

    Try blending it with fruit – mango, strawberries, or bananas – for flavor and sweetness. 

    A glass with Agua de Avena placed on a wood cutboard next to a bowl of dried oats.

    Oat Milk vs Oat Water

    Oat milk has a finer texture because the oats are discarded. Oat Water (or agua de avena) is thicker and somewhat chunkier because the oats are blended and included in the drink. 

    Storing Instructions:

    Place any leftovers in an airtight container for up to 3 days. 

    To freeze, place in a freezer-safe, plastic bag. Remove as much air as possible. Store for up to 3 months. Thaw in the fridge overnight and consume right away, or within 2 days. The texture will be grainier and mushier. 

    Agua de Avena served in a glass cup

    More Agua Fresca Recipes:

    • Cucumber Agua Fresca
    • Agua de Pina
    • Agua de Fresa
    • Agua de Melon

    Skip the soda and sip on this refreshing Agua de Avena. For breakfast, lunch, dinner, or as a snack, there’s no wrong way to enjoy this drink. ¡Buen provecho! 

    Hungry for More

    Be sure to subscribe to my newsletter and follow along on Facebook, Instagram, Pinterest, Twitter for my latest recipes and videos.

    Agua de Avena served in a crystal glass next to a bowl with dried oatmeal.

    Agua de Avena (Oat Water)

    Stay hydrated with this yummy Agua de Avena (or oat water). Only a handful of ingredients are needed to put together this wonderfully refreshing drink.
    5 from 33 votes
    Print Pin Rate
    Course: Drink
    Cuisine: Mexican
    Prep Time: 1 day day 10 minutes minutes
    Cook Time: 0 minutes minutes
    Total Time: 1 day day 10 minutes minutes
    Servings: 4 cups
    Calories: 46kcal
    Author: Maggie Unzueta
    Prevent your screen from going dark

    Ingredients

    • 1 cup oatmeal
    • 4 ½ cups water (plus more for rinsing)
    • 1 teaspoon vanilla extract
    • 1 teaspoon ground cinnamon
    • sugar substitute (such as Stevia)

    Instructions

    • Mix the oatmeal with 1 cup of water
    • Cover the bowl with plastic wrap.
    • Soak overnight in the fridge.
    • The next morning, you'll see that the oatmeal will have absorbed some of the water.
    • Discard the water used to soak the oats.
    • Strain and rinse the soaked oats with clean water.
    • Put the oatmeal in a blender.
    • Add vanilla, cinnamon, sugar substitute, and the rest of the water.
    • Blend until smooth.
    • Serve over ice.

    Notes

    Rolled oats or old-fashioned oats work best in this recipe. Using quick oats or instant oats will result in a mushy texture. 
    Use a sugar substitute like Stevia or Monk Fruit, or honey. 
    To make it creamier, add sweetened condensed milk. 

    Nutrition

    Calories: 46kcal | Carbohydrates: 8g | Protein: 2g | Fat: 1g | Saturated Fat: 0.2g | Polyunsaturated Fat: 0.3g | Monounsaturated Fat: 0.3g | Sodium: 16mg | Potassium: 45mg | Fiber: 1g | Sugar: 0.3g | Vitamin A: 1IU | Vitamin C: 0.02mg | Calcium: 18mg | Iron: 1mg
    Tried this recipe?Mention @MamaMaggiesKitchen or tag #MamaMaggiesKitchen!

    More Mexican Drinks

    • Two champagne flutes filled with a Golden Champagne Cocktail, each garnished with an orange sugar rim and a maraschino cherry. Decorative gold elements and a cherry are placed on the table nearby.
      Golden Champagne Cocktail
    • A glass of iced red cherry drink garnished with a lime wedge sits on a white surface, surrounded by fresh cherries, a red straw, and a green-checkered cloth with a bottle of liquid in the background.
      Vodka Cherry Limeade Recipe
    • A glass mug filled with a creamy orange papaya smoothie sits on a table, with another smoothie, sliced papaya, and lime wedges in the background. A light blue cloth is visible in the foreground.
      Papaya Smoothie
    • Festive glass mugs filled with layered orange and red beverages, each garnished with a cinnamon stick, sit on a wooden tray. Pine cones and greenery with small lights adorn the background, creating a cozy holiday atmosphere.
      Christmas Ginger Syrup Cocktail

    About Maggie Unzueta

    Maggie Unzueta is the face behind In Mama Maggie's Kitchen. She has been publishing Mexican recipes and creating delicious recipes since 2010. From family recipes to her extensive travels throughout Mexico, she brings traditional Mexican flavors from South of the Border and into your kitchen. Maggie has been featured in notable culinary websites and other media outlets. For more details, check out her About page.

    Reader Interactions

    5 from 33 votes (33 ratings without comment)

    Leave a Reply Cancel reply

    Your email address will not be published. Required fields are marked *

    Recipe Rating




    Primary Sidebar

    A picture of Maggie Unzueta in her kitchen holding a coffee cup.

    iBienvenidos! I'm Maggie. Welcome to my blog! My passion is authentic Mexican food and traveling throughout Mexico to bring you the very BEST in culture and cuisine.

    More about me →

    Popular

    • Birria de Res, or Mexican Beef Stew, in a brown bowl topped with chopped onions and cilantro.
      Slow Cooker: Birria de Res, or Mexican Beef Stew + VIDEO
    • Camarones a la Diabla served next to white rice and lime wedges.
      Camarones a la Diabla [VIDEO]
    • Menudo, or Pancita, is Mexican comfort food at its best. Served for Sunday brunch and shared with lots of love. By Mama Maggie’s Kitchen
      Mexican Menudo Recipe + VIDEO
    • Instant Pot Pork Tamales stacked and ready to cook. Surrounded by cilantro and decorative Mexican kitchenware.
      Instant Pot Pork Tamales [VIDEO]
    • Caldo de Camarón, or Mexican Shrimp Soup in a white bowl with a rich, guajillo sauce. Spoon lifting shrimp and avocado. Cilantro and lime on a dark brown table.
      Caldo de Camarón – Mexican Shrimp Soup + VIDEO
    • Carne En Su Jugo in a white bowl topped with cilantro beans bacon
      Carne En Su Jugo + VIDEO

    FEATURED IN


    Online publications Mama Maggie's Kitchen has been feature in.

    Footer

    ↑ back to top

    Info

    • Privacy Policy
    • Cookie Policy
    • Accessibility Policy

    Subscribe

    • Sign Up! for emails and start cooking Mexican food today!

    Contact

    • About Maggie
    • Contact

    © 2010-2025 · Mama Maggie's Kitchen ·

    Rate This Recipe

    Your vote:




    A rating is required
    A name is required
    An email is required

    Recipe Ratings without Comment

    Something went wrong. Please try again.