Preheat oven to 375°. Grease cups of a muffin tine thoroughly. You may use silicone if desired.
Sauté bacon in large non-stick skillet until browned and cooked crisply. Remove, place on paper towels and cool. Break into small pieces.
Keeping some of the grease from the bacon, sauté the onions and peppers until softened slightly, about 2 minutes.
If not using frozen pre-grated potatoes, grate potatoes in a food processor. Add grated potatoes to skillet with onions and peppers. Sauté, stirring frequently, for about 6-7 minutes, until potatoes are slightly cooked. Remove from heat and cool.
In a large bowl, whisk together 8 eggs, milk, and Siracha. Add potato mixture, 1 cup of the cheese, and mix well. Save the remaining cheese for topping.
Divide mixture into the 12 muffin cups. Sprinkle with crumbled bacon and remaining cheese. Bake at 375¯ for approximately 20 minutes.
They will look lightly browned and a toothpick inserted into the center will come out clean. Cool in pan a few minutes and remove. Enjoy immediately or cool completely and freeze in a sealed bag or container. Rewarm in microwave about 20-30 seconds as desired.