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Homemade Mozzarella Cheese Recipe

Recipe by Pedro M. A. Neves

Fresh mozzarella is a delicate Italian cheese that comes together in just minutes with milk, citric acid, and rennet. This homemade version yields creamy, stretchy curds that rival any artisanal producer and can be prepared on your stovetop. Perfect for caprese salads, pizza, or simply enjoyed warm with sea salt and fresh basil.

Ingredients

• 1 gallon (3.8 liters) whole milk, preferably not ultra-pasteurized
• 1.5 teaspoons (7.5 ml) citric acid dissolved in 1/4 cup (60 ml) cool, non-chlorinated water
• 1/4 teaspoon (1.25 ml) liquid rennet diluted in 1/4 cup (60 ml) cool, non-chlorinated water
• 1 teaspoon (6 g) fine sea salt for finishing

Instructions

1. Pour the whole milk into a large stainless steel pot. Add the dissolved citric acid and stir gently for 1 minute. Heat the mixture to 90°F (32°C) over medium heat, stirring occasionally to ensure even temperature distribution.

2. Add the diluted rennet to the milk using an up-and-down motion with a long spoon for 1 minute to distribute evenly. Stop stirring and let the milk rest undisturbed for 5 minutes while the rennet sets the curds.

3. Cut the curd mass into 1/4-inch (6 mm) cubes using a long knife, making vertical cuts, then diagonal cuts, and finally horizontal cuts from the bottom. Work slowly and deliberately to achieve uniform size.

4. Slowly heat the curds to 104°F (40°C) over 15-20 minutes while gently stirring every few minutes. The curds will firm up and shrink slightly as temperature rises.

5. Once the curds reach 104°F (40°C), maintain this temperature for 5 minutes while continuing to stir gently. The curds should feel firm when pressed between your fingers.

6. Line a colander with butter muslin and carefully pour the curds and whey through it, reserving the whey in a separate pot. Save 1 quart (946 ml) of the hot whey for stretching the cheese.

7. Transfer the drained curds to a microwave-safe bowl and microwave on high for 1 minute. Carefully drain off any excess whey, then microwave again for 30 seconds. The curds should be hot and pliable but not boiling.

8. Begin stretching the curds with gloved hands or a wooden spoon, folding and pulling gently as you would taffy. If the curds break instead of stretching, they need more heating—microwave for 15-20 seconds more.

9. Once the cheese stretches smoothly into a thin sheet without tearing, gather it into a ball and fold it over itself 3-4 times while folding in the salt. Continue stretching and folding until the texture becomes creamy and smooth.

10. Shape the warm mozzarella into a ball or log, working quickly before it cools and firms up. Dip the finished cheese into a bowl of ice water for 5 seconds to set the exterior, then place on a clean cloth to cool completely.

Substitutions

• Non-GMO milk can replace conventional milk for those avoiding genetically modified ingredients
• Liquid rennet can be substituted with rennet tablets (use 1/8 tablet diluted in water) for the same result
• For lactose-free mozzarella, use lactose-free whole milk—the process remains identical

Tips

• Water quality matters significantly; use filtered or non-chlorinated water as chlorine inhibits rennet activity
• Have all ingredients measured and ready before starting, as the process moves quickly once rennet is added
• If mozzarella becomes grainy during stretching, it has cooled too much; reheat gently in the reserved whey until pliable again

Mozzarella originates from southern Italy, particularly Campania, where it was traditionally made from water buffalo milk (mozzarella di bufala). Fresh mozzarella production is an integral part of Italian cheese-making heritage, with the hand-stretching technique passed down through generations of caseifici artisans.

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