Tater Bake
Ingredients
4 pounds russet or Yukon Gold potatoes, peeled and cubed
3 pounds sweet potatoes, peeled and cubed
2 cartons (8 ounces each) spreadable chive and onion cream cheese
1 cup (8 ounces) sour cream
1/4 cup shredded Colby-Monterey Jack cheese
1/3 cup milk
1/4 cup shredded Parmesan cheese
1/2 teaspoon salt
1/2 teaspoon pepper
TOPPING:
1 cup (4 ounces) shredded Colby-Monterey Jack cheese
1/2 cup chopped green onions
1/4 cup shredded Parmesan cheese
Directions
Place russet potatoes in a Dutch oven and cover with water. Bring to a boil. Reduce heat; cover and cook for 10-15 minutes or until tender.
Meanwhile, place sweet potatoes in a large saucepan; cover with water. Bring to a boil. Reduce heat; cover and cook for 10-15 minutes or until tender. Drain; mash with half of the cream cheese and sour cream and all of Colby cheese.
Drain russet potatoes; mash with the remaining cream cheese and sour cream. Stir in the milk, Parmesan cheese, salt and pepper.
Spread 2-2/3 cups russet potato mixture into each of two greased 11-in. x 7-in. baking dishes. Layer with 4 cups sweet potato mixture. Repeat layers. Spread with remaining russet potato mixture.
Bake, uncovered, at 350° for 15 minutes or until heated through. Combine topping ingredients; sprinkle over casseroles. Bake 2-3 minutes longer or until cheese is melted.
https://freerecipenetwork.com/tater-bake/