Chef Lupita
Agua de Betabel Aguascalentense de Cuaresma
Aguascalientes' Lenten agua fresca, jewel-red from cooked beet and full of apple, banana, orange, lettuce, and ground peanuts, served cold when Holy Week meets the Feria de San Marcos.
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Agua de Tuna Roja Bajío
Created by
Guanajuato's late-summer agua fresca, made when the Bajío nopaleras are heavy with tuna roja, balanced with lime and piloncillo, and strained with restraint.
Beverages
Mexican
Outdoor Dining
Picnic
Quick Meal
15 min
Active Time
5 min cook•20 min total
Yield6 servings
Guanajuato, in the Bajío, is where this agua belongs: dry hills, nopal fences, hot August afternoons, and tuna roja piled in market crates from Dolores Hidalgo to Irapuato. This is not a restaurant drink. This is what you make when the fruit is ripe enough to stain your fingers magenta and the house needs something cold on the table.
The tuna roja does the work. Not strawberry, not grenadine, not coloring. The fruit gives you that deep pink-red water, a soft floral sweetness, and those tiny hard seeds that remind you this came from a cactus, not a bottle. Do not strain it until it becomes empty. Press lightly, leave a little body, let the drink taste like the fruit it came from.
I learned this kind of agua from women in the Bajío who handled tunas faster than city cooks peel garlic. They know which fruit is ready by weight, by smell, by the way the skin gives under the thumb. If the market has pale, tired tunas, make agua de limón instead. If the tuna roja is ripe, buy a kilo and work quickly. Si no conoces el mercado, no conoces la cocina.
Serve it very cold in a jarra de barro or a painted ceramic pitcher from Dolores Hidalgo. Outside food, picnic food, quick meal food. Cada estado, su propia cocina, and in Guanajuato the summer fruit tells you what to drink.
Prickly pear fruit, called tuna in Mexico, comes from the nopal cactus and has been eaten in central Mexico since pre-Columbian times, long before sugarcane or citrus arrived with the Spanish. The Bajío, especially Guanajuato and neighboring Querétaro, became an important region for nopal and tuna cultivation because the semi-arid plateau favors cactus fruits that ripen heavily in late summer. Piloncillo entered Mexican household cooking after colonial sugar production expanded, and aguas frescas became a practical way to stretch seasonal fruit across the family table.
The technique, the tradition, and the story behind every dish.
Discover Culinary ExplorerIngredients
ripe tuna roja
Quantity
2 pounds
peeled and roughly chopped
cold water
Quantity
5 cups
divided
piloncillo
Quantity
3 ounces
grated or chopped
water for dissolving piloncillo
Quantity
1/2 cup
fresh lime juice
Quantity
1/3 cup
from 5 to 6 Mexican limes
sea salt
Quantity
1/4 teaspoon
ice (optional)
Quantity
for serving
lime wheels (optional)
Quantity
for serving
| Ingredient | Quantity |
|---|---|
| ripe tuna rojapeeled and roughly chopped | 2 pounds |
| cold waterdivided | 5 cups |
| piloncillograted or chopped | 3 ounces |
| water for dissolving piloncillo | 1/2 cup |
| fresh lime juicefrom 5 to 6 Mexican limes | 1/3 cup |
| sea salt | 1/4 teaspoon |
| ice (optional) | for serving |
| lime wheels (optional) | for serving |
Equipment Needed
- •Tongs or folded kitchen towel for handling tunas
- •Sharp paring knife
- •Blender
- •Medium-mesh strainer
- •Large clay jarra or ceramic pitcher
Instructions
- 1
Choose the fruit
Use tuna roja that feels heavy for its size and smells lightly sweet at the stem end. The skin should be deep red to magenta, not wrinkled or dull. If the fruit is pale and hard, leave it at the market. Mexican grandmothers cook with what is good today, not with what the recipe hoped for.
- 2
Peel the tunas
Hold each tuna with tongs or a folded towel. Slice off both ends, make one shallow cut down the length of the skin, and pull the peel away with your fingers. Even cleaned tunas can hide tiny cactus hairs. No me vengas con atajos here. One careless hand and you will remember the lesson all afternoon.
If you bought tunas from a good mercado vendor, most of the tiny hairs will already be removed. Still handle them with respect. A clean-looking tuna can still bite. - 3
Dissolve the piloncillo
Put the piloncillo and 1/2 cup water in a small saucepan over medium heat. Stir for 3 to 5 minutes, just until the piloncillo dissolves into a light syrup. Let it cool for a few minutes. Piloncillo gives a deeper sweetness than white sugar, more like the market cone it came from.
- 4
Blend the agua
Add the chopped tuna roja, cooled piloncillo syrup, lime juice, salt, and 3 cups cold water to a blender. Blend only until smooth, about 20 to 30 seconds. Do not punish the seeds. The goal is fruit water with body, not a cactus milkshake.
- 5
Strain with restraint
Set a medium-mesh strainer over a large pitcher and pour the blended tuna through it. Stir gently with a spoon, pressing only enough to move the liquid through. Do not force every seed and fiber out. A little texture is correct for this Bajío agua. That tells you it came from real tuna roja.
- 6
Adjust and chill
Stir in the remaining 2 cups cold water. Taste. It should be cold, lightly sweet, tart enough from the lime, and unmistakably tuna roja. Add a little more lime if the fruit was very sweet, or a spoonful more piloncillo syrup if the tunas were shy. Refrigerate until very cold.
- 7
Serve cold
Pour into glasses over ice and add a lime wheel if you want it on the rim. Serve the pitcher at the table, not hidden in the kitchen. This is outdoor dining in the Bajío: fruit, water, lime, piloncillo, and enough patience to let the season lead.
Chef Tips
- •Buy tuna roja in late July, August, and early September, when the Bajío fruit is properly ripe. Out of season it tastes flat. If the market does not have good tunas, make another agua fresca.
- •Do not replace tuna roja with bottled prickly pear syrup. That gives color, not fruit. A substitution is a compromise, not an upgrade.
- •Piloncillo belongs here because its mineral sweetness supports the cactus fruit. White sugar works in an emergency, but it tastes thinner. Now you know what you are missing.
- •Use Mexican limes if you can. Their sharper acidity keeps the agua from tasting heavy. Big Persian limes work, but taste before adding all the juice.
Advance Preparation
- •The piloncillo syrup can be made up to one week ahead and refrigerated in a covered jar.
- •The agua is best the day it is made. Refrigerate up to 24 hours and stir before serving because the fruit pulp settles.
- •Peel the tunas up to one day ahead and refrigerate them covered. Keep them cold and covered because the fruit absorbs refrigerator odors quickly.
Frequently Asked Questions
Nutrition Information
1 serving (about 365g)
Calories
115 calories
Total Fat
1 g
Saturated Fat
0 g
Trans Fat
0 g
Unsaturated Fat
0 g
Cholesterol
0 mg
Sodium
100 mg
Total Carbohydrates
29 g
Dietary Fiber
3 g
Sugars
23 g
Protein
1 g
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