Melt butter over medium heat in a nonstick skillet.
Combine eggs and water in a mixing bowl; lightly beat to combine.
Stir in the cheese.
Add egg mixture to the skillet and cook until eggs are done, stirring frequently.
Heat tortillas according to package directions.
Divide egg mixture between the tortillas.
Top with tomatoes, olives, and onions.
Fold tortillas burrito-style.
Prep Time: 5 min
Cook Time: 10 min
Total Time: 15 min