Liz Truss vowed to "deliver, deliver, deliver from day one" if she wins the Tory leadership contest - even though she has held crucial Cabinet positions for the last eight years.
Ms Truss kicked off her campaign, insisting she has a "track record" for getting things done, yet one of her first proposals outlined plans to reverse the National Insurance levy - something she voted for.
The Foreign Secretary appeared confident as she said: "Now is the time to be bold, we cannot have business-as-usual economic management, which has led to low growth for decades."
To shouts of “hear, hear”, the loudest from Business Secretary Kwasi Kwarteng, she said that it was time to deliver on Brexit and “win the fight for freedom, at home and abroad”.
Ms Truss enjoys the support of a number of Boris Johnson's allies including Mr Kwarteng and Culture Secretary Nadine Dorries.
She made no mention of his leadership in her campaign, but was forced to detail why she did not resign as his premiership crumbled.
“I am a loyal person. I am loyal to Boris Johnson. I supported our Prime Minister’s aspirations", with Mr Kwarteng cheering "well said" as she described her loyalty to the outgoing PM.
But Ms Truss dodged questions about worries she could be outflanked by rival Penny Mordaunt, instead stressing the wide array of talent the leadership contest is displaying.
Before her speech, former Brexit minister Lord Frost has launched a scathing attack Ms Mordaunt, saying she was not up to the job when she was his deputy in talks with the EU.
Speaking on TalkTV, Lord Frost said she lacked a grasp of the detail, was unwilling to deliver tough messages to Brussels, and that he had had to ask Boris Johnson to replace her.
Ms Truss refused attack her rival, instead she told reporters there was a "huge amount of talent" in the Tory party.
The Foreign Secretary also dodged questions on how she would rebalance tax, instead saying she would bring in a new budget.
Dodging questions about how she would rebalance tax and the economy, Ms Truss said that she would bring in a new budget and new spending review from her first day in office.
"It's vitally important that we reverse the National Insurance rises, that we don't increase corporation tax," she said.