Mashed Purple Sweet Potatoes and Banana

These mashed purple sweet potatoes make a sweet side dish. If you like banana, this is the recipe for you.

I don’t know when I started adding banana to my mashed sweet potatoes. But it was obvious that was what I needed to do with a couple of the Stokes purple sweet potatoes I picked up at the grocery store. Plus, I needed mashed purple sweet potatoes for another bake this weekend.

And they stayed purple! After a few disappointing adventures in color with somewhat purple latkes and my reddish velvet beet waffles, I am in love with the color of these mashed purple sweet potatoes.

a bowl of mashed purple sweet potatoes and banana.

Tips and tricks for this recipe

First, roast the purple sweet potatoes. Poke a few holes in the skin and then wrap them in foil.

One of the best things about this recipe is that the richness of this recipe comes from the potatoes and the banana. So you can make these as vegan mashed sweet potatoes without butter or cream. You won’t miss the butter at all.

a cutting board with a cut purple sweet potato, a whole potato, and a knife.
roasted purple sweet potatoes.

FAQs about mashed purple sweet potatoes and banana

Are purple sweet potatoes the same as purple yam?

A few posts ago, I wrote a few sentences to answer this question about purple sweet potatoes and purple yams (ube). Hint: the only thing they share in common is their color.

Do I have to peel the sweet potato?

Nope. If you don’t mind peel in your mashed potatoes, feel free to keep it in.

Can I make these vegan?

Absolutely. Most of the richness in this side dish comes from the sweet potatoes and banana. You could add a vegan butter or any non-dairy milk of your choice to make them creamier. Or you could leave both out.

Can I make this with sweet potatoes of a different color?

Of course. White, orange, or purple-fleshed. It all works.

Can you freeze mashed sweet potatoes?

Yes. Sweet potatoes can be frozen either after cooking or after mashing and stored for months. The texture won’t be the same, but they’ll still taste good.

a bowl of baked sweet potato, banana, and potato masher.

Mashed purple sweet potatoes and banana

Course Side Dish
Prep Time 5 minutes
Cook Time 1 hour
5 minutes
Total Time 1 hour 10 minutes
Servings 2
Calories 247kcal
Author uglyducklingbakery

Ingredients

  • 2 small purple sweet potatoes
  • 1 small to medium banana
  • ½ tsp salt
  • 1 tbsp butter, optional
  • 1 tbsp cream or milk (dairy or non-dairy), optional

Instructions

  • Preheat the oven to 450°F.
  • Scrub the sweet potatoes. Use a fork to puncture the skin in several paces, and then wrap them in aluminum foil.
    2 small purple sweet potatoes
  • Bake for 45-60 minutes until the skin is easily pierced with a fork.
  • Let the potatoes cool enough so that you can handle them. If you want to peel them, use a knife to cut a thin slit in the skin and peel.
  • Combine the peeled sweet potatoes and banana in a small to medium sized bowl and mash them with a potato masher or fork until well-combined. Add salt and butter and/or cream/milk, if you are using them, adding a little bit at a time and adjusting for taste and texture as desired. Serve warm.
    1 small to medium banana, 1/2 tsp salt, 1 tbsp butter, optional, 1 tbsp cream or milk (dairy or non-dairy), optional

Notes

The butter and cream are optional and are not included in the nutritional calculations.

Nutrition

Calories: 247kcal | Carbohydrates: 59g | Protein: 4g | Fat: 1g | Saturated Fat: 1g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Sodium: 706mg | Potassium: 973mg | Fiber: 8g | Sugar: 17g | Vitamin A: 32100IU | Vitamin C: 11mg | Calcium: 71mg | Iron: 2mg

What’s next?

If you make mashed purple sweet potatoes, want to ask a question about sweet potatoes, or just want to share your love of purple food, please leave a comment or rating here. Or share a pic with me on Instagram!

Enjoy some other uglyducklingbakery recipes with purple sweet potatoes like baked purple sweet potato loaded with white beans, my purple sweet potato sourdough, or the purple sweet potato pancakes I mentioned before.

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pan roasted chicken breast on top of purple mashed sweet potato.

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