INGREDIENTS
2 tbsp
extra virgin olive oil
1 cup
cremini mushrooms, thinly sliced
1 cup
yellow onion, diced
1 cup
fresh baby spinach
1/2 tsp
kosher salt, divided
4
large eggs
1/2 tsp
black pepper, divided
1/2 cup
shredded Gruyere or Swiss cheese
2 tbsp
butter, divided
minced fresh parsley, for garnish
additional black pepper, for garnish