Heat olive oil in a 12-inch cast iron skillet over medium-high heat. Add diced onion and sauté for 2-3 minutes until softened and fragrant, stirring occasionally.

Add diced potatoes to the skillet and cook for 8-10 minutes, stirring every 2 minutes until golden and fork-tender. Season with half the salt and black pepper.

Stir in the red bell pepper and garlic powder, cooking for another 2 minutes until the pepper begins to soften slightly.

Add fresh spinach, diced tomatoes, paprika, and cayenne pepper, stirring gently until spinach wilts. Cook for 1-2 minutes to combine flavors without overcooking the greens.

Create 8 small wells in the vegetable mixture and crack one egg into each well. Sprinkle remaining salt and pepper over the eggs, then cover the skillet with a lid or foil.

Reduce heat to medium and cook for 5-7 minutes until egg whites set but yolks remain slightly runny. Easy cozy fall skillet eggs recipe reaches perfect doneness when the whites are opaque.

Remove the lid and sprinkle shredded cheddar cheese evenly across the top. Return to heat uncovered for 1-2 minutes until cheese melts and edges bubble slightly.

Garnish with fresh chopped parsley and serve directly from the skillet for maximum appeal and warmth.