To make it, some of the most common measurements are 1 cup of heavy cream, ¼ cup milk, and 2 tablespoons of vinegar or lemon ...

What might surprise you is that sour cream is a cultured food, so the acid and cream will ferment for at least 24 hours to obtain the condiment's signature tang.

To sour milk, place 1 tablespoon of vinegar or lemon juice in a 1-cup measure and add enough milk (whole or low-fat) to equal 1 cup. Need a break? Play the USA TODAY Daily Crossword Puzzle.

If your sour milk tastes or smells unpleasant to you, then you should simply toss it. Sometimes “good” bacteria will have inoculated the milk and the result will be a tangy, yogurtlike flavor.

To make sour milk, put 1 Tablespoon of white vinegar into a cup measure, then fill it with milk up to the cup mark. Stir well and let sit for five minutes. Not to be confused with clabbered milk ...

Milk (or powdered milk). Put milk in a jar or bowl, add 1 teaspoon of lemon juice or vinegar, and stir until you get your desired consistency. Adjust lemon juice depending on the amount of milk ...

How to Make Sour Cream With What's (Probably) ... versus a dried brick or diluted milk made for drinking, ... add 1 tablespoon of lemon juice and 1 teaspoon of apple cider vinegar, ...