There are a few different ways to go about choosing a substitute recipe for heavy whipping cream. If heavy whipping cream doesn’t agree with you go the cornstarch route. I tried this for my Butterfingers Creme Brûlée.
You’ll need 1 cup milk per cup of heavy whipping cream required. Whisk 2 T cornstarch in, once combined whisk 1 T flour in still smooth.
Whisk 3/4 c milk and 1/3 c room temperature butter. Makes 1 cup. This one does not work if needing to whip.
Other way include:
Chilled evaporated milk
Low Fat Cream cheese
and many others