Potato, Sausage, and Spinach Breakfast Casserole

Ingredients for Potato, Sausage, and Spinach Breakfast Casserole

• 16 large eggs

• 300ml double cream

• 1 1/2 teaspoons kosher salt plus more

• 3/4 teaspoons freshly ground black pepper plus more

• 5 tablespoons unsalted butter, divided

• 350g fresh breakfast sausage links

• 300g sliced leeks, white and pale-green parts only

• 2 russet potatoes (675g), peeled, shredded, lightly squeezed

• 450g frozen spinach, thawed, squeezed dry, roughly chopped

• 230g (110g) grated Gruyère

• 80g (45g) grated Parmesan

Position a rack in top third of oven; preheat to 177°C. Whisk eggs, cream, 1 1/2 teaspoons salt, and 3/4 teaspoons pepper in a large bowl; set aside.

Melt 1 tablespoon butter in a 12" cast-iron or nonstick ovenproof skillet over medium heat. Add sausages and cook, turning often, until browned all over, about 10 minutes. Transfer to a plate. Add leeks to skillet. Season with salt; cook until wilted, about 5 minutes. Transfer to a small bowl.

Melt 45ml butter in same skillet over medium heat. Add potatoes, spreading out in an even layer. Cook without stirring until bottom and edges are crisp and golden brown, about 10 minutes. Slide potato pancake onto a large plate. Invert onto another large plate. Melt 1 tablespoon butter in skillet. Slide potato pancake into skillet, browned side up; cook until bottom is golden brown, about 10 minutes.

Scatter spinach, leeks, and sausages over potato pancake, each in an even layer. Season with salt and pepper, then pour in egg mixture. Sprinkle both cheeses over.

Bake until casserole is puffed and golden brown, 35-40 minutes. Serve warm or at room temperature.

Disclaimer

While every effort has been made to ensure the information is accurate and up to date, individual needs may vary and dietary requirements can differ based on personal health conditions. Always check food labels and allergen information before preparing or consuming any recipe. If you have specific health concerns, allergies, intolerances, or are following a medically prescribed diet, seek advice from your GP, pharmacist, or a registered dietitian before making significant changes to your diet or lifestyle.