Lightly grease a 9x13-inch baking dish with cooking spray and preheat oven to 350oF.
In a large mixing bowl, add eggs and milk. Mix thoroughly.
With paper towel, squeeze out the excess moisture from the spinach leaves and add to bowl of eggs.
Into small pieces, break the artichoke hearts and separate the leaves. Add to bowl of eggs.
Except for the ricotta cheese, add remaining ingredients in bowl of eggs and mix thoroughly.
Pour egg mixture into prepared dish.
Evenly add dollops of ricotta cheese on top of the eggs and then pop in the oven.
Bake until eggs are set and doesn’t jiggle when shook, around 35 minutes.