Buy heavy cream from the store
Make heavy cream at home (milk + butter)
Measure 1 cup whole milk
Melt 1/3 cup unsalted butter
Combine and mix until smooth
Use immediately or refrigerate up to 3 days
Make heavy cream at home (milk + cream substitute)
Measure 1 cup half-and-half
Add 1/4 cup melted butter
Mix until smooth
Use immediately or refrigerate up to 3 days
Make heavy cream using powdered milk (optional)
Mix 1/2 cup powdered whole milk with 1 cup water
Add 1/4 cup melted butter
Blend until smooth
Use immediately or refrigerate up to 3 days