Healthy Mashed Potatoes (Potato–Cauliflower Mash)

Healthy mashed potatoes made with russet potatoes and cauliflower for a lighter, creamy side dish. This potato cauliflower mash is smooth, flavorful, and lower in calories than traditional mashed potatoes, making it ideal for weeknight dinners and holiday meals. A great choice for anyone searching for healthy mashed potatoes, cauliflower mashed potatoes, or lighter comfort food side dishes.

Ingredients

• 2 large russet potatoes (about 1½ lb), peeled and cut into 1-inch pieces
• 1 small head cauliflower (about 2 lb), cut into florets (about 5 cups)
• ⅓–½ cup milk (any kind)
• 4 tablespoons butter
• 4 cloves garlic, smashed and peeled
• Salt and black pepper, to taste

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Instructions

1. Fill a large pot with a few inches of water and place a steamer basket inside. Bring the water to a boil over high heat.
2. Add the potatoes to the steamer basket and spread them in an even layer. Cover, reduce heat to medium-low, and steam for 5 minutes.
3. Add the cauliflower florets on top of the potatoes. Cover again and steam for 15–20 minutes, or until both the potatoes and cauliflower are very tender.
4. While the vegetables steam, add ⅓ cup milk, butter, and smashed garlic to a small saucepan over low heat. Heat until the butter melts, then cover and keep warm.
5. Transfer the steamed cauliflower to a large food processor fitted with an S-blade. It’s fine if a few potato pieces are mixed in. Remove the garlic cloves from the saucepan and add half of the warm milk and butter mixture to the processor.
6. Process until the cauliflower is completely smooth and creamy, scraping down the sides as needed.
7. Add the remaining potatoes, salt, pepper, and the rest of the milk and butter to the food processor. Pulse to combine, then process until smooth and fluffy.
8. Taste and adjust seasoning. Add up to 3 additional tablespoons of milk if needed to reach your desired consistency. Serve hot.

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Tips

• Cut the potatoes into even pieces so they cook at the same rate.
• Allow steam to escape while blending hot vegetables to avoid excess moisture.
• Season gradually and taste as you go for balanced flavor.

Variations and Substitutions

• Use olive oil instead of butter for a dairy-free version.
• Swap milk with almond milk, oat milk, or chicken broth.
• Add grated Parmesan or nutritional yeast for extra depth.
• Mix in chives or green onions before serving.

FAQs

Do these taste like regular mashed potatoes?
Yes, the cauliflower lightens the texture while keeping a classic mashed potato flavor.

Can I make this recipe ahead of time?
Yes, reheat gently on the stovetop or in the microwave with a splash of milk.

Can I freeze mashed potatoes with cauliflower?
Yes, freeze in an airtight container for up to 2 months.

Serving Suggestions

• Serve alongside roasted chicken, turkey, or grilled vegetables.
• Use as a base for shepherd’s pie.
• Top with a pat of butter and fresh herbs.

Why You’ll Love This Recipe

• Lower in calories than traditional mashed potatoes
• Creamy, smooth texture without heavy cream
• Easy way to add vegetables to a comfort food classic
• Perfect for everyday meals or holiday tables