01 - Whisk together eggs, milk, salt, and pepper in a medium bowl until thoroughly combined.
02 - Fry bacon in a large non-stick skillet over medium heat until crispy. Transfer to paper towel-lined plate, crumble when cooled, and wipe skillet leaving 1 teaspoon drippings.
03 - Add bell pepper to skillet and sauté 2 minutes until softened. Add spinach and cook 1 minute until wilted.
04 - Reduce heat to low. Melt butter in skillet, pour in egg mixture, and let sit 30 seconds. Gently stir with spatula until softly set but still slightly runny.
05 - Sprinkle cheddar cheese, crumbled bacon, and green onions over eggs. Fold gently until cheese melts and eggs are just cooked through.
06 - Plate immediately, garnishing with additional green onions if desired.