Preheat oven to 425 degrees.
Add the red pepper flakes, if using, to the marinara sauce. Stir to combine.
Pour the marinara sauce into a 10 to 12-inch oven safe skillet.
Sprinkle the parmesan cheese to over the marinara sauce.
Gently crack each egg over the marinara sauce.
Top each egg with salt & pepper.
Gently place in the oven and bake for 10 to 15 minutes or until the eggs are set to your preference.
Remove from the oven and sprinkle with freshly chopped parsley.
Serve with buttery toasted french bread slices.