Heat 1 quart of milk in a pot over medium heat until it reaches about 190°F
Remove from heat
Add 2 to 4 tablespoons of lemon juice or white vinegar
Stir gently for a few seconds
Let the mixture sit for 5 to 10 minutes until curds form
Line a strainer with cheesecloth and place it over a bowl
Pour the curds and whey into the strainer
Let the liquid drain for 5 to 15 minutes
Rinse the curds with cold water if desired
Gather the cheesecloth and gently squeeze out excess liquid
Transfer the curds to a bowl
Add salt to taste
Mix in a little cream or milk for a creamier texture if desired
Refrigerate and use within a few days