fresh parsley and green onions for garnish (optional)
Instructions
Add sliced onion and minced garlic to the bottom of the slow cooker.
Layer peeled and chunked Yukon Gold potatoes on top of the onion and garlic.
Scatter cubed butter over the potatoes, then sprinkle with salt and pepper.
Pour broth evenly over the potatoes without stirring.
Cook on LOW for 5–6 hours or HIGH for 3–4 hours until potatoes are very tender.
Mash the potatoes directly in the slow cooker until smooth.
Stir in warm milk or half-and-half and sour cream if using. Adjust seasoning to taste.
Garnish with fresh parsley and green onions before serving.
Notes
For extra richness, add shredded cheddar or fold in sautéed cabbage for a colcannon-style variation. Warm milk before mixing to maintain a smooth texture.