Prep Time 10 minutes mins
Cook Time 20 minutes mins
Total Time 30 minutes mins
Grease the muffin tin extremely well — eggs bond aggressively to ungreased metal
Silicone muffin liners eliminate sticking entirely and are worth using every time
Squeeze all moisture from the spinach — wet spinach makes sunken, watery muffins
Do not fill cups more than three-quarters — the mixture puffs significantly during baking
Whisk eggs for a full minute to incorporate air for a lighter texture
Expect slight deflating as they cool — this is completely normal
Underbake slightly at 18 minutes for meal prep — they finish setting as they cool
Reheat in the microwave on medium power for 30–45 seconds — high power makes them rubbery
Store in the fridge for up to 5 days or freeze for up to 3 months
Mini muffin tin works — fill three-quarters full and bake 12–14 minutes