
Step 1 · Preheat oven
Preheat the oven broiler or heat the oven to about 375°F.
Step 2 · Prepare eggs
Whisk the eggs with salt, black pepper, and the spicy pepper seasoning.
Step 3 · Sauté vegetables
Sauté the shiitake mushrooms, red pepper, and minced garlic in an oven-safe skillet until softened.
Step 4 · Add eggs and cilantro
Pour in the eggs and scatter cilantro over the top.
Step 5 · Cook on stove
Cook on the stove until the edges begin to set, then transfer the skillet to the oven or under the broiler.
Step 6 · Finish cooking
Cook until the frittata is just set, then let it rest briefly before slicing.