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Best Make-Ahead Twice Baked Potato Casserole (Easy)

make-ahead twice baked potato casserole - featured image

A creamy, cheesy, and lighter version of classic twice-baked potatoes, made in a casserole dish for easy serving. Perfect for make-ahead meals, potlucks, or weeknight dinners.

Ingredients

Scale
  • 3 pounds russet potatoes (about 6 medium)
  • 1 tablespoon olive oil
  • 1 teaspoon salt
  • ½ teaspoon black pepper
  • ½ cup plain Greek yogurt (full-fat or 2%)
  • ½ cup sour cream
  • ½ cup cottage cheese (small-curd), blended smooth
  • 4 tablespoons unsalted butter, melted
  • 1 cup shredded sharp cheddar cheese, divided
  • ¼ cup milk (any kind)
  • ½ teaspoon garlic powder
  • ¼ teaspoon smoked paprika (optional)
  • 4 slices turkey bacon (or regular bacon), cooked and crumbled
  • 2 green onions, thinly sliced
  • 2 tablespoons panko breadcrumbs (optional), mixed with 1 teaspoon melted butter

Instructions

  1. Preheat oven to 400°F (200°C). Line a baking sheet with foil.
  2. Scrub potatoes, pat dry, and prick each 6-8 times with a fork. Rub with olive oil and sprinkle with salt. Place on baking sheet.
  3. Bake for 50-60 minutes until fork-tender. Let cool for 10 minutes.
  4. While potatoes bake, blend cottage cheese until smooth. Cook bacon until crispy, then crumble. Slice green onions.
  5. Cut potatoes in half lengthwise and scoop flesh into a large bowl. Leave a thin layer on skins.
  6. Add Greek yogurt, sour cream, blended cottage cheese, melted butter, ¾ cup cheddar, milk, garlic powder, smoked paprika, salt, and pepper to the bowl. Mash until mostly smooth with a few chunks.
  7. Fold in half the crumbled bacon and half the green onions.
  8. Transfer mixture to a greased 9×13-inch baking dish and spread evenly.
  9. Top with remaining ¼ cup cheddar, remaining bacon, and green onions. If using, sprinkle panko mixture on top.
  10. To bake immediately: Bake at 375°F (190°C) for 20-25 minutes until golden and bubbly. Let rest 5 minutes before serving.
  11. To make ahead: Cover and refrigerate for up to 2 days. Let sit at room temperature 20 minutes, then bake at 375°F for 30-35 minutes (uncover last 10 minutes).
  12. To freeze: Assemble completely, wrap tightly, and freeze up to 3 months. Bake from frozen at 375°F for 45-50 minutes (cover first 30 minutes).

Notes

Don’t overmix potatoes to avoid gummy texture. Let potatoes cool slightly before adding dairy to prevent separation. Blend cottage cheese for smoothness. Toast panko for extra crunch. Watch edges and cover with foil if browning too fast.

Nutrition

Keywords: twice baked potato casserole, make ahead, easy, cheesy, comfort food, lighter, meal prep