+14 votes
Tried making homemade cottage cheese like my parents used to, but it turned out sour and rubbery. I was using soured milk and heated it on the stove. Did I overheat it, and what's the right technique?
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7 Answers

+10 votes
Yep, you nailed it. Overheating is what makes it rubbery, 100%. You basically cooked the proteins too hard and they got tough. The sour taste is just from how sour the milk was to begin with, and sometimes if you cook it too hot it seems to taste even more sour, idk why.

My tried-and-true method is to use a double boiler. If you don't have one, just put your pot of milk inside a bigger pot with a few inches of water in it. Heat that water on low. The milk should get warm, but never hot. I test it with my finger—if I can hold my finger in it for a few seconds, it's about right. Once the whey (the watery stuff) looks yellowish-green and the curds have separated into a single mass, it's done. Turn off the heat.

Btw, after you strain it, you can give the curds a gentle rinse with cool water. That will wash away some of the extra sour whey and give you a milder tasting cheese. Good luck! :)
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+9 votes
You've boiled the life out of it, that's your problem right there. A rubbery curd means the heat was far too high.

What you need to do is put the soured milk in a bowl and set that bowl over a pan of gently simmering water. Don't put the milk directly on the hob. Just warm it through until you see the curds and whey have clearly separated, then take it off the heat altogether. No need to go mad, it doesn't need to be piping hot.
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+7 votes
Yes, rubbery means too much heat!!! It is such a waste to ruin good soured milk that could have become perfectly good cheese...

To fix this you must be more careful. The heat is the enemy here!

1. Heat the milk VERY slowly. A water bath is best.
2. Do NOT let it boil... it should not even be too hot to touch. A thermometer is useful if you have one, don't go past 50°C.
3. Turn off the heat as soon as the curds separate from the whey. Don't cook it any longer!
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+6 votes
It sounds like you did overheat the milk. That's a classic reason for the curds to become rubbery, as high heat makes the proteins seize up.

The best method is to heat it very slowly and gently. If you can, use a double boiler or simply place your pot of milk in a larger pan of warm water on the stove. This gives you much better control and prevents it from getting too hot too quickly.
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+5 votes
Hello alex_c, That's a very common issue when you're first learning to make cheese from soured milk, so don't be discouraged! You are absolutely right to suspect the temperature. Overheating is the primary cause of a rubbery texture in soft cheeses like this. Here's a breakdown of what's happening and how to fix it: Why it becomes rubbery: Milk protein (casein) is very sensitive to heat. When you heat it too quickly or to too high a temperature, the protein strands contract tightly, squeezing out all the moisture (whey) and becoming tough and rubbery. The goal is to gently encourage the curds to form and separate, not to cook them. Why it's sour: The sour taste comes from the natural fermentation of the milk. The longer the milk sours, the more lactic acid develops. While a little tang is desirable, overheating can concentrate this flavor and drive off some of the more subtle, milky notes, leaving just the sharp sourness. Here is a more reliable technique:
  • Use a water bath (bain-marie): Instead of placing the pot of soured milk directly on the stove, place it inside a larger pot filled with water. This provides gentle, indirect heat and prevents scorching and overheating.
  • Go low and slow: Heat the water very gently on a low setting. You should never see the milk simmer or boil.
  • Use a thermometer: For perfect results, aim for a temperature of around 115-120°F (46-49°C). At this temperature, the curds will separate from the whey cleanly without becoming tough.
  • Be patient: Once the whey looks clear and greenish-yellow and the curds have clumped together, turn off the heat and let it sit for 10-15 minutes before straining. Strain gently without pressing too hard.
Once you master the basic cheese, you'll have a wonderful ingredient for many recipes. For example, you can use your successful homemade cheese in a delicious Tvorog Pie (Eggless Cottage Cheese Pie) with Vegetable Oil Crust.
by chef (91.1k points)
+1 vote
yes, you overheated it. that's what makes it go rubbery.

use a much lower heat next time and it should turn out fine. the sourness is just from the milk.
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–4 votes
This reminds me of watching my grandmother make cheese... she always warned about the heat!

You defintely overheated it!!! That's why it got rubbery. The trick is to go super super slow with the heat, it should barely feel warm.
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