America's Test Kitchen LogoCook's Country LogoCook's Illustrated LogoAmerica's Test Kitchen LogoCook's Country LogoCook's Illustrated Logo

Slow-Cooker Mashed Sweet Potatoes

By Sebastian Nava

Published on January 12, 2018

Time

5 to 6 hours on low or 3 to 4 hours on high

Yield

Serves 6 to 8

Slow cooker size

5 to 7 quarts

Slow-Cooker Mashed Sweet Potatoes

Ingredients

3 pounds sweet potatoes, peeled and sliced ¼ inch thick½ cup boiling water, plus extra as needed1 teaspoon sugar Salt and pepper 6 tablespoons half-and-half, warmed3 tablespoons unsalted butter, melted

Before You Begin

This recipe can be easily doubled in a 7-quart slow cooker; you will need to increase the cooking time range by 1 hour.

Instructions

  1. 1. Combine potatoes, boiling water, sugar, and ¾ teaspoon salt in slow cooker. Press 16 by 12-inch sheet of parchment paper firmly onto potatoes, folding down edges as needed. Cover and cook until potatoes are tender, 5 to 6 hours on low or 3 to 4 hours on high.
  2. Discard parchment. Mash potatoes with potato masher until smooth. Stir in warm half-and-half and melted butter, and season with salt and pepper to taste. Serve. (Sweet potatoes can be held on warm or low setting for up to 2 hours; adjust consistency with extra hot water as needed before serving.)
Slow-Cooker Mashed Sweet Potatoes
Styling by Sally Staub.

Slow-Cooker Mashed Sweet Potatoes

Save

Time

5 to 6 hours on low or 3 to 4 hours on high

Yield

Serves 6 to 8

Slow cooker size

5 to 7 quarts

Ingredients

3 pounds sweet potatoes, peeled and sliced ¼ inch thick
½ cup boiling water, plus extra as needed
1 teaspoon sugar
Salt and pepper
6 tablespoons half-and-half, warmed
3 tablespoons unsalted butter, melted

Ingredients

3 pounds sweet potatoes, peeled and sliced ¼ inch thick
½ cup boiling water, plus extra as needed
1 teaspoon sugar
Salt and pepper
6 tablespoons half-and-half, warmed
3 tablespoons unsalted butter, melted

Ingredients

3 pounds sweet potatoes, peeled and sliced ¼ inch thick
½ cup boiling water, plus extra as needed
1 teaspoon sugar
Salt and pepper
6 tablespoons half-and-half, warmed
3 tablespoons unsalted butter, melted

Why This Recipe Works

Pressing a piece of parchment on top of the potatoes resulted in even cooking, without any dry edges. For an accurate measurement of boiling water, we brought a full kettle of water to a boil and then measured out the desired amount. 

Before You Begin

This recipe can be easily doubled in a 7-quart slow cooker; you will need to increase the cooking time range by 1 hour.

Instructions

  1. 1. Combine potatoes, boiling water, sugar, and ¾ teaspoon salt in slow cooker. Press 16 by 12-inch sheet of parchment paper firmly onto potatoes, folding down edges as needed. Cover and cook until potatoes are tender, 5 to 6 hours on low or 3 to 4 hours on high.
  2. Discard parchment. Mash potatoes with potato masher until smooth. Stir in warm half-and-half and melted butter, and season with salt and pepper to taste. Serve. (Sweet potatoes can be held on warm or low setting for up to 2 hours; adjust consistency with extra hot water as needed before serving.)

Gift This Recipe

Enjoyed this dish? Let others know by sharing it as a gift recipe.

This is a members' feature.