Scottish Rumbledethumps Recipe: How to Make It

Ingredients

• 8 medium Yukon Gold potatoes, chopped (about 2-1/2 pounds)
• 1-1/2 teaspoons salt, divided
• 1 tablespoon canola oil
• 1 large onion, chopped
• 1 pound napa cabbage, thinly sliced
• 1 pinch pepper
• 2 teaspoons white wine vinegar
• 4 tablespoons unsalted butter
• 1/2 cup whole milk
• 1-1/2 tablespoons Dijon mustard
• 4 ounces sharp cheddar cheese, grated