Heat panini press according to manufacturer’s directions. Beat eggs, water, salt and pepper in microwave-safe bowl until blended. Microwave on high 45 seconds; stir. Microwave until eggs are almost set, 30 to 45 seconds longer.
No panini press? Sandwiches can be grilled in a skillet over medium heat, turning once, until bread is toasted and cheese is melted, 2 to 4 minutes.
Don’t overcook. Scrambled eggs will continue to cook and firm up after removed from microwave.
Microwave ovens vary. Cook time may need to be adjusted.