Hazard secured a dream transfer to Madrid in June, ending a seven-year spell at Stamford Bridge which noticed him become probably the greatest gamers in Europe.
The Belgium world had persevered a subdued originate up to his career at the Bernabeu, failing to rating or befriend in his opening five games for the Spanish giants.
"We need Eden like that, playing well and scoring", Zidane said.
'He wanted that, he was happy in the dressing room.
The Belgium global was pleased to get on the scoresheet and the attacker hopes it is the first of many for the La Liga giants.
His strike doubled the lead for Real Madrid on the stroke of halftime after Karim Benzema gave the Los Merengues a bright start as early as the second minute.
Luka Modric's bending long-range effort on the hour looked to have confirmed the win, but Granada scored twice in quick succession through Darwin Machis and Domingos Duarte, the first from the penalty spot, to set up a tense last 12 minutes.
Real Madrid survived that scare to go four points clear on the table after substitute James Rodriguez wrapped up the points on the stroke of full-time.
Final month, the previous Manchester United and England defender Rio Ferdinand claimed Hazard may find yourself regretting leaving Chelsea.
"I am pleased with the win, when you play you want to score, but the crucial thing was getting the win".
"They're a strong side and that's why they're second in LaLiga".
'I'm fearful for him actually that he has gone to Actual Madrid on the improper time.