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.

SPREAD butter evenly on one side of each bread slice. LAYER bacon, tomato, scrambled eggs and cheese evenly on unbuttered side of two bread slices. COVER with remaining bread, buttered side up.

GRILL sandwiches in panini press, on medium-high heat, until bread is toasted and cheese is melted, about 2 minutes.