01 - Preheat oven to 350°F. Grease a 6-cup muffin tin with olive oil or melted butter.
02 - Whisk eggs, milk or cream, salt, and pepper in a mixing bowl until smooth.
03 - Fold shredded cheese, chopped smoked salmon, onion or shallot, spinach, and dill into the egg mixture.
04 - Portion the mixture evenly into the prepared muffin cups, filling each about three-quarters full.
05 - Place in oven and bake for 18 to 20 minutes or until set and golden on top.
06 - Allow to cool for 5 minutes. Run a knife around the edges to loosen and carefully remove from the tin.
07 - Top with additional fresh dill as desired. Serve warm or at room temperature.