Cook the Eggs: Crack 4 eggs into a bowl, whisk until blended, then add to a non-stick skillet with butter. Cook on low for 3-5 minutes until just set.

Prepare the Skillet: Heat the same skillet over low to medium for about 2 minutes to crisp the tortillas.

Assemble the Quesadilla: Lay a tortilla in the skillet, sprinkle half with cheese, add scrambled eggs, and top with more cheese.

Cook Until Crispy: Fold the tortilla, cook for 2-3 minutes until golden brown, flip and cook the other side.

Slice and Serve: Rest for a minute, slice into wedges, and serve with salsa, sour cream, or guacamole.