Q&A for How to Make Feta Cheese

Yes, you can use the whey for various things. You could use it when making bread, simply replace water with whey. You can also use it for starting new cheese cultures, always save some whey in refrigerator. Excess whey can be used for tomatoes and potato bushes -- simply poor it on the soil.

You can use cow's milk, but it won't taste the same or be nearly as rich.

Yes. Try 6 teaspoons to 3L of milk. Citric acid is much less effective than milk, thus the larger quantity.

The brine must be acidic or else the cheese will melt on the surface. The whey is made acidic by letting it sit out at room temperature, covered, for 12-24 hours.