Side Dishes

Buttermilk Potato-Cauliflower Mash

Everyone’s favorite comfort-food side gets a light and luscious twist from tangy buttermilk and nutrient-packed cauliflower.


8 - 8 serving

Total Time

Prep Time

Cook Time


  • 3 lb. all-purpose potatoes peeled and cut into 1" pieces
  • 2 c. frozen cauliflower thawed
  • 3/4 c. buttermilk
  • 6 tbsp. butter softened
  • 3/4 tsp. salt
  • 1/4 tsp. pepper
  • Chopped fresh rosemary optional


In large pot, combine potatoes and cauliflower with enough salted water to cover by 1”; over high heat, bring to boil. Cover; reduce heat to medium-low and cook vegetables until very tender, about 20 min. Drain well. 

Return potato mixture to pot; set over low heat. With potato masher, mash potato mixture until smooth. Stir in ½ cup buttermilk, then butter and salt. Mash until well combined, adding more buttermilk if necessary. Transfer to serving bowl; sprinkle with pepper and, if desired, rosemary.

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