Nov 7, - Then, use your substitute in place of one cup of heavy cream. If you used low-fat milk, your mixture will be a bit thinner than you want it to be. Just add a tablespoon of flour to thicken it. Note: This substitute will not whip. May 20, - All Natural Fat Free Whipped 'Cream' ~ I'm excited because this dreamy alternative for one of life's great pleasures whipped heavy cream. I don't usually get tempted by low fat or diet recipes, but because this is made.