Happy Cheese Makers Since 1978

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  • Intermediate
  • 2 Pounds
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    • 2 Gallons of Milk (Not Ultra Pasteurized)
    • 1 Packet of C201 Thermophilic Culture*
    • 1/4 tsp (1.6 ml) Single Strength Liquid Rennet
    • Salt for Brine
    • Calcium Chloride (for pasteurized milk)

    *Can substitute 3-4 oz of prepared Y1 Yogurt Culture


    • Good Thermometer
    • Knife to Cut Curds
    • Wooden Spoon to Stir & Stretch Curds
    • Large Colander
    • Butter Muslin
    • Large Bowl

    1 Acidify & Heat Milk

    Heat the milk to 94°F. Do this by placing a pot of milk into a larger pot of water or sink of very warm water. If you heat directly on the stove top make sure the milk heats slowly and is stirred while heating.

    Once heated to 94°F the culture can be added. To prevent the culture from caking and sinking in clumps, sprinkle the culture over the surface of the milk and wait 2 minutes for the culture to re-hydrate before stirring it in.

    Note: If using yogurt as the culture, make sure it's fresh and stirred to eliminate clumps before adding it to the milk.

    The milk now needs to be kept at this target temperature until it is time to increase for cooking the curds. Let the milk sit quietly for the 3 hours (Yes this is much longer than normal) to allow the culture ripen. It will be very slow initially but will soon kick into a more rapid rate of converting lactose to lactic acid

    Traditionally, this cheese was made with raw milk, which in warm climate of Mexico would develop considerable acid before adding rennet. Because of this rennet is added at very high levels of acid development hence the long 3 hr ripening time before adding rennet.

    2 Coagulate with Rennet

    Now it's time to add just over 1/4 tsp (1.6 ml) of single strength liquid rennet. This is less rennet than many other recipes, since the milk is ripened to a higher acid level it will coagulate quickly.

    Let the milk sit quiet for 30 minutes while the rennet coagulates the curd. The thermal mass of the milk should keep it warm during this period. It's ok if the temp drops a few degrees during this time. You will likely notice the milk thickening (just touch it with the flat of a knife to see this) in about 15 minutes but allow it sit for the full 30 minutes before it's cut.

    Note: If it takes more time just let it go until you see a good firm curd. You may need to increase the rennet next time if this is the case.

    3 Cut Curds & Release Whey

    Once you have a firm curd, the curd can be cut into 1/2-5/8 inch pieces. You can cut the curd into 3/4 inch if you prefer a moister cheese. Once cut heat the curds to 100°F with minimal stirring for about 30 minutes then allow the curds to rest at the bottom of the pot for 5-10 minutes.

    To cut the curds, I begin with a large 1 inch crosscut. Next I allow the curds to rest for about 5 minutes before using a loosened whisk to break the curds down into smaller pieces.

    During this portion, the curds will not dry out much and the sweet whey provides food for further acid production.

    4 Develop Final Acid

    The whey can now be removed and the curds can be transferred to a colander or cheese mold lined with butter muslin.

    The cheese needs several hours to develop its acidity. It's important to keep the cheese at 95-100°F during this time to encourage acid development. The incubation chamber I use is quite simple:

    1. Place 2-3" of water or whey at 110-115°F in the bottom of a large pot or insulated cooler.
    2. Use a spacer into the pot or cooler, an empty cheese mold works well, the top of the space needs to be above the water level.
    3. Place the cheese still in its draining mold or colander on top of the space, be sure the cheese is not submerged in the water.
    4. Put a lid on the pot or close the cooler and let it sit for 2 hours. The cheese should be turned in the form after the first hour.

    The final acid will be reached after 2-4 hours depending on how warm you keep the cheese. In some cases it may take longer.

    During this time you should heat water for stretching in the next step (whey can also be used). I usually bring the water to a simmer at about 185°F.

    The traditional way to test the final curd is to cut a small piece and place it in hot water 175°F for about 5 minutes. When it's ready it will stretch with little to no effort.

    If the curd shows no sign of stretching leave for another half hour and test again. Repeat this at 30 minute intervals until you see signs of stretching. If the curd stretches but then breaks, repeat the test at 15 minute intervals.

    This method was used before there was a way to accurately test for acid levels and is still widely used today.

    5 Heating the Curds

    This step combines acid development and heat which will change the final structure and texture of the finished cheese. It's important to have enough moisture in the cheese, the correct final acid, and the cheese body at the right temperature.

    Once your test has shown a good stretch, the curd is ready for the final stage. Begin by slicing the curd mass into long thin strips. This will allow the hot water to evenly heat the curd.

    Next pour some of the hot water/whey into a bowl with the cheese strips. Do not pour the hot water directly on the strips (that will cause portions to become too hot), pour the hot water around the edges.

    Quickly work the curds to keep them separate and evenly heated. I find that in about 5-10 minutes the cool curds and hot water will stabilize at about 145°F (measure the water). Keep the curds separate until you begin to notice them stretching on their own as you move them around.

    Check the water to make sure it has not cooled too much, add more hot water if needed. Once the curds meld (not melt) together, you can begin to consolidate into a single mass.

    Note: Dipping your hands into a bowl of ice cold water periodically while handling the hot curds will help protect your hands. You could also wear food safe gloves while stretching the curds.

    6 Stretching the Curds

    Begin stretching by slowly lifting the large cheese mass from its bottom center, use a heavy wooden spoon or paddle for this, it will be very hot. What you are looking for is the curd to show stretching under its own weight. This always starts out very slowly as the protein structure begins to change.

    Allow the curd to stretch enough to be able to fold double on itself and then repeat. Do this 2-3 times.

    If the stretching seems to slow drop the mass back into hot water/whey and check and adjust the temperature if it dropped.

    Once the initial stretching is done you'll need to work with your hands. The curd will be almost too hot to handle at this point but as I have seen done so many times in Italy, dipping your hands in cold water will give you about 30 seconds or more to handle it. Gloves can be used but are often cumbersome.

    Italian Mozzarella only needs a few long stretches but Oaxaca needs to be stretched and stretched again into 3/4 to 1 inch wide wide bands like a a rope, about 1/2 inch thick. The cheese should be continually returned to hot water as it's stretched to keep it at the right temperature.

    The stretch continues repeatedly as one continuous strand. At first it will be a long thick rope and then eventually it will become wide bands of cheese. The stretched bands should be placed into cold water to chill before rolling into a final ball, characteristic of Queso Oaxaca.

    7 Wrapping the Curds

    Once slightly chilled, the bands can be wound together, into a ball, somewhat like a ball of yarn or string.

    The chilled curd will not consolidate with other layers which makes it easier to wrap while forming a ball. The rapid chilling also allows makes the cheese naturally form into thin threads like string cheese when it's pulled apart.

    8 Salting

    You will need a saturated brine prepared for salting this cheese, find all of the details you need on brining here.

    A simple brine formula is:

    • 1 gallon of water
    • 2.25 lbs of salt
    • 1tbs. calcium chloride
    • 1 tsp. white vinegar
    • Bring the brine and cheese to 50-55°F before using

    The cheese should be salted in the brine for about 1.5-2 hrs per pound of cheese. This is less time than normal for a cheese this size because it's fairly open and has a greater surface area for salt to penetrate.

    The cheese will float above the brine surface so sprinkle another teaspoon of salt on top of the cheese surface.

    Flip the cheese and re-salt the surface half way through the brine period.

    9 Finished Cheese

    This cheese does not need to age, it's made to be eaten fresh. If you'd like to store it, simply place it into a covered container in the fridge where it will last for 1-1.5 weeks.

    I often place the salted cheese on a shelf in my cheese cave where it will last for a week to 10 days.

    For Commercial storage Oaxaca is packed in a vacuum seal. But traditionally it would be made and go to market the same day and is best when eaten the same day.

    Oaxaca is a Fun Cheese From Mexico

    For the past several months we've been exploring cheeses across a pretty broad international spectrum.

    First we visited the historical Dunlop cheese from Scotland, and then a modern twist on a traditional cheese from the Alps.

    Now we travel to Mexico and explore an old standard that most likley was influenced by Italians migrating to Mexico in the late 1800s to early 1900s, Queso Oaxaca.

    More about Queso Oaxaca

    The name is derived from its place of traditional production, Queso, of course, is Spanish for cheese, and Oaxaca (WaHaKa) is the region it comes from. Within its area of production, it's commonly known as Quesillo. Similar cheese is sold in other parts of Mexico as Queso Asadero.

    Queso Oaxaca is by far the most popular cheese for making quesadillas. It's a stretched curd cheese, kneaded and wound into balls. It should be pulled apart into thin strings before using to fill tortillas or melted on cooked food. Mozzarella or string cheese can be used in its place BUT its just not quite the same.

    Queso Oaxaca is primarily used in cooking, but kids love also love to snack on it since it's so fun pull apart and eat plain.

    Where Queso Oaxaca Comes From

    It was shortly after the Spanish exploration (Conquest) that the first dairy animals (both cows and goats) were brought to the region of the Etla Valley in southwestern Mexico (currently the state of Oaxaca). Tucked in between the Sierra Madre del Sur and Sierra Madre Oriental mountains, this valley was an ideal area for agriculture, including dairy, since it had a temperate climate and adequate supply of water from the rivers.

    The new dairy products quickly changed the eating habits of the indigenous people. Cheese making which, though introduced by conquerors from another continent, evolved into a regional occupation, producing distinctly Mexican cheeses. In many parts of Mexico, this trade has become a family tradition, it's secrets and techniques passed on from one generation to the next. Today, many families in the region are able to earn a comfortable living by producing milk and cheese for a local dairy cooperative.

    Traditionally all cheese made in the heat of Mexico's climate was made and sold fresh for daily use. Little is known of how the cheese first made in this region, but it was most likely very different than today's Queso Oaxaca. Most likely it was a rather rustic cheese that was simply coagulated and drained.

    The old stories were that the Dominican Monks that came to the area began to improve the process of cheese making but not likely that it was a stretched curd (Pasta Filata) style cheese even then. Other stories tell of an Italian influence coming to the area in the 1950s was the methodology behind this cheese but many elders say that they remember this cheese well before then.

    The one thing that becomes readily apparent as you read the procedures below is that this cheese is much like the Italian Mozzarella. Further reading and research show me that this cheese is quite different in how it has evolved than what they learned from their Italian influence.

    Different Varities of Stretched Curd Cheese

    Queso Oaxaca cheese today seems to have several differences from those of modern mozzarella

    • The first thing I noticed was that the rennet was added much later than in the Italian style. Rennet is added several hours after the culture addition. This would cause a much higher acid production at the time that rennet is added and thus a much quicker and somewhat different coagulation.

      My thoughts on this are that traditionally milking was done at specific times of day, and it may have been several hours or even overnight before the cheese was made. Since this would have been raw milk, native cultures would have been at work and hence the higher acidity. Even today with modern cultures they develop a much higher acid before adding the rennet.
    • The stretching for this cheese is much more emphatic than most Mozzarella made in Italy.
    • The stretched curd is not folded back on itself but stretched into long flat ribbons that are then chilled in cold water before being wound into large yarn-like balls.
    • I see the cheese today as a hybrid comprised of more of a string cheese with more a soft Cacciocavallo or Provolla type texture than Mozzarella.

    Today, throughout Mexico, you will also find several other stretched curd cheeses. The Asadero produced further north is one that is most often confused with this cheese.

    I have also noted several papers discussing the problems of production in Mexico and even in the US using powdered milk and vegetable oil to make this cheese, along with all of those additives we really try to avoid. The problem in Mexico is such that the government has begun to crack down on facilities not labeling as such and passing it along as the real deal.

    Large Batch of Queso Oaxaca

    In the Oaxaca area of Mexico the cheese is made in both traditional home/small farm conditions and small dairy cooperatives. On the home or farm it is usually made the same day as milking holding evening milk and adding in the next mornings milk. In the small cooperative dairies the milk may travel some distance and held in bulk over several days before making. This may or may not be pasteurized.

    Below are photos of a small cooperative showing how they do the initial stretch. This is done slowly and the curd is allowed to stretch on its own, then it becomes a group effort to finish the stretch into wide bands of Queso Oaxaca.

    Note the effort and team work that goes into this and how the bands are kept separate before going into the cold water.

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