Select the Preheat function on the Cosori Air Fryer, adjust temperature to 350°F, and press Start/Pause. 2. Spray the three ramekins with cooking spray. 3. Add 1 egg to each greased ramekin. 4. Cook the bacon in a pan until crispy, about 5 minutes. 5. Add the spinach and cook until wilted, about 2 minutes.