David Warner and Chris Rogers successfully negotiated a nervy nine overs to reach lunch on day two of the Ashes opener in Cardiff.
Australia were 0-26 at the meal break, having failed to clean up England's tail clinically on Thursday despite a five-wicket haul from Mitchell Starc.
The hosts resumed at 7-343, with Moeen Ali mixing streaky with sublime to help England to a total of 430.
The ease in which England scored would have concerned Darren Lehmann, given they failed to pass 400 in any innings of the 2013 and 2013-14 Ashes.
Stuart Broad looked more threatening than Jimmy Anderson with the new ball, while Warner was uncharacteristically subdued.
England opted for a review after Marais Erasmus turned down Broad's most-animated lbw shout, which came when Rogers was on two.
Hotspot confirmed a faint edge, prompting a brief but friendly discussion between batsman and bowler.
Earlier in the morning session, Broad put on a 52-run stand with Ali to frustrate the visitors.
Broad was given out on 11 when Adam Voges claimed a scrambling catch at short leg.
The verdict changed when third umpire Chris Gaffaney reviewed the footage, suggesting the leather scraped the pitch before Voges had control.
It prompted boos from the Sophia Gardens crowd and also ensured Mitchell Johnson went wicketless and conceded more than 100 runs for the second time in his Test career.
Broad added another seven runs before he attempted a wild slog, handing Nathan Lyon a wicket with his first ball of the day.
Ali added 51 runs to his overnight score, eventually falling for 77 when he was undone by Mitchell Starc's swing.
Shane Watson snaffled the resultant edge as Starc, who returned to bowl despite a sore ankle, finished with 5-114.
Despite a positive start with the bat, Australia will be bitterly disappointed with the state of play.
The hosts would have crashed to 4-43 on day one, had Brad Haddin held a one-handed catch when Joe Root was on zero.
Root scored 134 runs after the reprieve, rebuilding England's innings with the help of Gary Ballance and Ben Stokes.
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