<human>: What is the best way to: How do you cook mashed yams?

OPTIONS:
- Wash, peel, trim, and cut into large chunks 4 medium sized yams. Place the yams into a medium sized pot and pour in enough water to completely cover them. Mix in ½ teaspoon of salt. Place the pot on the stove and turn it on, then bring the mixture to a boil. Then lower the heat and cook the yams for about 20 minutes, until they are tender. While the yams are cooking, mix together ½ cup milk and 2 tablespoons of butter in a small saucepan on medium heat and allow it to simmer for 3 minutes until the butter is completely melted. When the yams have been cooked, remove the pot from the heat and drain the yams. Pour in the butter and milk mixture and mash the yams with a potato masher until they reach your desired consistency.
- Wash, peel, trim, and cut into large chunks 4 medium sized yams. Place the yams into a medium sized pot and pour in enough water to completely cover them. Mix in ½ teaspoon of salt. Place the pot on the stove and turn it on, then bring the mixture to a boil. Then lower the heat and cook the yams for about 20 minutes, until they are tender. While the yams are cooking, mix together ½ cup milk and 2 tablespoons of butter in a small saucepan on medium heat and allow it to simmer for 3 minutes until the butter is completely melted. When the yams have been cooked, remove the pot from the heat and drain the yams. Put the yams back in the pot. Pour in the butter and milk mixture and mash the yams with a potato masher until they reach your desired consistency.
<bot>: Wash, peel, trim, and cut into large chunks 4 medium sized yams. Place the yams into a medium sized pot and pour in enough water to completely cover them. Mix in ½ teaspoon of salt. Place the pot on the stove and turn it on, then bring the mixture to a boil. Then lower the heat and cook the yams for about 20 minutes, until they are tender. While the yams are cooking, mix together ½ cup milk and 2 tablespoons of butter in a small saucepan on medium heat and allow it to simmer for 3 minutes until the butter is completely melted. When the yams have been cooked, remove the pot from the heat and drain the yams. Put the yams back in the pot. Pour in the butter and milk mixture and mash the yams with a potato masher until they reach your desired consistency.