Crack the eggs into a medium bowl and add the milk or water. Whisk until smooth and combined, with no streaks of egg whites remaining.
Melt the butter in a nonstick skillet over medium heat.
Carefully pour the whisked eggs into the center of the pan and allow them to cook without stirring.
When the edges start to set, use a spatula to push the cooked eggs on the outer edges toward the center of the pan. Continue cooking over medium heat, gently pushing the cooked eggs towards the center every few seconds until the eggs are almost cooked through, with a little liquid egg remaining. Total cook time will be about 2-3 minutes.
Remove the pan from the heat and season with salt and pepper. Serve immediately.
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Notes
Storage: While I think scrambled eggs are best eaten right away, you can refrigerate them in a tightly covered container for up to 4 days. It's best to reheat scrambled eggs on the stovetop over medium-low heat until just warmed through. (You can also do so in the microwave for about 30-60 seconds!)