Step 1

Preheat the oven to 350 degrees F.

Step 2

Add 1 tablespoon of the olive oil to a skillet and heat it over medium heat.

Step 3

Add the onion and the corned beef and cook until the onions are softened and the corned beef is slightly browned.

Step 4

Transfer the corned beef mixture to a small bowl.

Step 5

Add the remaining olive oil to the same pan and heat over medium heat.

Step 6

Add the potatoes and cook until they start to turn golden, about 6-8 minutes per side.

Step 7

Season the potatoes with the rosemary, the salt, and the pepper.

Step 8

Add the corned beef mixture and the cheese to the potatoes and stir to mix.

Step 9

Season the potato mixture with the salt and the pepper.

Step 10

Spoon the mixture into an 8 1/2x11-inch casserole dish.

Step 11

Make six indentations with a large spoon and drop a raw egg into each well.

Step 12

Bake the casserole until the eggs are just set, about 12-15 minutes. For more firmly set yolks, about 20 minutes.

Step 13

Garnish with the parsley and serve immediately.