Potato And Celery Root/Celeriac Mash – Oracibo

Ingredients

• 2 ½ lbs. potatoes (a combination of russet, Yukon Golds & other mashing potatoes), peeled & cut into 2” cubes
• 1 (1) lb. celery root/celeriac
• 1 tsp. prepared horseradish (from a jar)
• 1 ½ cups sour cream
• 3 Tbsp. Dijon mustard
• 2 Tbsp. unsalted butter, room temperature
• Salt to taste