PREHEAT oven to 375°F. Pour eggs into nonstick skillet sprayed with cooking spray. Cook on medium heat 5 min. or until set, stirring occasionally. Remove from heat.
PLACE 2 tortillas, overlapping, on bottom of 9-inch pie plate. Top with 1/2 of the eggs and 1/3 each of the cheese and tomato. Repeat layers once. Top with remaining cheese and tomato slices.
BAKE 10 min. or until heated through and cheese is melted.
