Step 1

Place the sweet potatoes in the slow cooker and add just enough water to cover them.

Step 2

Add salt to the water, then cover and set the slow cooker to 4 hours on LOW.

Step 3

Just before the potatoes are ready, melt the butter in a small saute pan and sauté garlic until lightly golden.

Step 4

Drain the potatoes in a colander and return them to the slow cooker.

Step 5

Pour the garlic butter over them, add milk and sour cream and mash until smooth and creamy.

Step 6

Adjust salt and pepper to taste and keep the slow cooker set to warm until ready to eat or up to 2 hours.