When To Use Flour Vs Cornstarch For Thickening Sauces - Tasting Table
Flour is the perfect substitute for cornstarch if you are making a sauce that contains fat, like butter or milk, or if you want a rich, thick sauce like gravy.
This Is Why McDonald's Shakes Are So Incredibly Thick - Tasting Table
The thick, creamy McDonald's shakes result from a combination of rich ingredients, thickening agents like cellulose gum, and a unique processing method that incorporates air.