Turn the oven on to 350 degrees Fahrenheit.
Spray foil baking cups with cooking spray before lining a muffin pan with 12 cups.
When spinach is thawed and drained, it should be wrung out with a paper towel well.
Spinach, cheese, egg whites or substitute, peppers, hot pepper sauce, onions, and salt should be mixed.
The mixture should be filled into foil cups.
A knife inserted in the middle should come out clean after baking at 350 f. or 20 minutes.
Serve from cups.