Provide advice on how to accomplish the following goal. Give ONLY the advice, no other words or explanation.
For example:

Answer: <advice, as short as possible; a single sentence!>.

Goal: To make yogurt
Boil whole milk until it reaches a tem of 185 degrees. Let cool down to 110 degrees. Add in a cup of live culture yogurt. Keep it at 110 degrees for 12 hours.
Heat milk to 180°F, then cool to 110°F and add starter culture. Incubate at