PREHEAT oven to 350°F. Beat eggs and water with wire whisk in medium bowl. Stir in ham, 1/2 cup of the cheese and 2 Tbsp. of the cilantro.
POUR into greased 9-inch pie plate or quiche dish; sprinkle with remaining 1/2 cup cheese.
BAKE 30 min. or until top is puffed and golden brown. Sprinkle with the remaining 1 Tbsp. cilantro.