Try these alternatives for whole milk, heavy cream or half and half.
For 1 c. Whole Milk:
* 5/8 c. skim milk + 3/8 c. half and half
* 2/3 c. 1% milk + 1/3 c. half and half
* 3/4 c. 2% milk + 1/4 c. half and half
* 7/8 c. skim milk + 1/8 c. heavy cream
For 1 c. Half and Half:
* 3/4 c. whole milk + 1/4 c. heavy cream
* 2/3 c. skim milk or low-fat milk + 1/3 c. heavy cream
For 1 c. Heavy Cream:
* 1 c. evaporated milk
Substitute ingredients as directed.