Sweet Potatoes with Smoked Gouda (Print Version)
Layers of sweet potatoes and red onions baked with smoked gouda, asiago, and fresh rosemary in a creamy savory sauce.
# Ingredients:
→ Potatoes
01 -
3 lbs sweet potatoes, peeled and thinly sliced into ⅛-inch rounds
→ Aromatics
02 -
2 medium red onions, thinly sliced
03 -
½ tablespoon fresh rosemary leaves, roughly chopped
→ Cheeses
04 -
8 oz smoked gouda cheese, grated
05 -
8 oz asiago cheese, grated
→ Seasonings
06 -
1 teaspoon smoked paprika
07 -
¼ teaspoon ground sage
08 -
2 teaspoons garlic powder
09 -
¼ teaspoon salt
10 -
¼ teaspoon fresh ground black pepper
→ Dairy & Thickeners
11 -
½ cup heavy cream
12 -
4 tablespoons butter, melted
13 -
1 cup sour cream
14 -
2 cups milk
15 -
¼ cup cornstarch
# Instructions:
01 -
Preheat oven to 375°F (190°C).
02 -
Spray a large ceramic baking dish (approximately 10 × 14 inches) liberally with cooking spray.
03 -
In a large mixing bowl, stir together chopped rosemary, grated smoked gouda, grated asiago, smoked paprika, ground sage, garlic powder, salt, and pepper. Set aside.
04 -
Add a single layer of sliced sweet potatoes to the greased baking dish.
05 -
Add a single layer of onion slices over the potatoes.
06 -
Sprinkle half of the cheese mixture evenly over the onions.
07 -
Add another layer of potatoes, followed by another layer of onions, and a final layer of potatoes.
08 -
In a large mixing bowl, whisk together milk, sour cream, melted butter, heavy cream and cornstarch until well combined and cornstarch is fully incorporated and completely dissolved.
09 -
Pour the liquid mixture evenly over the layered potatoes.
10 -
Sprinkle the remaining half of the cheese mixture over the top.
11 -
Bake uncovered on the middle rack for 1 hour and 15-30 minutes, until the cheese is well browned and potatoes are easily pierced with a fork.
12 -
Allow to cool for at least 15 minutes before serving to let the gratin set and reach a safe eating temperature.
# Notes:
01 -
This scalloped sweet potato dish combines the natural sweetness of the potatoes with smoky, savory flavors from the cheese and herbs.
02 -
For best results, use a mandoline to slice the sweet potatoes to uniform thickness.