Creamy Vegan Hash Brown Casserole Recipe for Brunch or Dinner

My grandmother used to make a rich, cheesy hash brown casserole that I adored as a child. It was full of butter, cheese, and sour cream — delicious but heavy. After switching to a plant-based diet, I wanted to recreate that comforting casserole without the dairy and excess fat. The result is this vegan hash brown casserole: creamy, flavorful, and lighter than the traditional version, yet full of nostalgia in every bite.

My approach was to “veganize” the classic casserole first, then trim the fat. After a few experiments, I landed on a version that captures the taste and texture of my grandma’s dish without the calories. If she were still here, I think she would approve.

What ingredients are needed for vegan hash brown casserole

This casserole is versatile. The creamy “cheese” comes from a vegetable-based nacho-style sauce. The sauce is made from potatoes, carrots, nutritional yeast, and seasonings, and it blends into a rich, savory topping that coats the potatoes perfectly. The same sauce works well in many recipes where you want a dairy-free cheesy flavor.

Other ingredients for the casserole

• 28 ounces frozen Orieda hash browns (or about 1½ pounds baking potatoes, peeled and diced)
• 1 large white onion, diced
• 1 large shallot, diced
• 2 cloves garlic, minced
• 1 red bell pepper, diced
• 1 green bell pepper, diced (or 1 jalapeño, seeded and diced for heat)

Combine the hash browns with the sautéed onion, shallot, garlic, and peppers, then stir in the vegan nacho-style cheese sauce so every potato piece is coated. Transfer the mixture to a 9 x 13-inch baking dish and bake until bubbly and golden.

Make-ahead tip

You can assemble the casserole ahead of time, refrigerate it, and bake when ready (bake time may be slightly longer if chilled).

The oven does the magic: the vegetable-based sauce thickens and melds with the potatoes, producing a creamy, cheesy-tasting casserole that still feels indulgent. This dish is ideal for holiday brunches, potlucks, or as a comforting side for dinner.

FAQs

Should I thaw frozen hash browns before cooking?

Yes. Thawing frozen hash browns first generally results in more even cooking. If you use thawed potatoes, reduce the baking time by about 50% to avoid overcooking.

Tips

• Thaw frozen hash browns for more even cooking, and reduce cook time if thawed.
• Add jalapeños and a can of diced tomatoes (Rotel) for a Mexican-style casserole.
• Sprinkle vegan parmesan on top before the final bake for a crunchy, cheesy finish.
• Serve alongside a tofu scramble for breakfast, keep it as a side dish at dinner, or bring it to a potluck.

Are you a potato lover? Try these tasty and healthy potato recipes

• Smashed Red Potato Recipe
• Twice Baked Potatoes
• Sweet Potato Chips
• Potato Hash
• Mashed Potatoes (Vegan)
• Potato Salad (Vegan)
• Vegan Baked Potato
• Stuffed Sweet Potato
• Sweet Potato Tacos
• Oven-Baked Fries — crispy and oil-free with garlic
• Steak Fries — air fried and crispy

Recipe