The Manchester United striker's exquisite flick past ex-Manchester City keeper Andreas Isaksson sealed a thrilling 3-2 win over Sweden in Kiev, a result which means Roy Hodgson's men can reach the Euro 2012 quarter-finals with a draw against Ukraine.
"I'm obviously happy with the finish and to get three points for the team," said Danny, who scored his first England goal in the 1-0 friendly win over Belgium a fortnight ago.
"We're disappointed to have let Sweden score two goals at the start of the second half," continued the match-winner.
"But I think we came back well from that, we stuck together and the team spirit showed. Even when we went behind, we still had the belief."
Welbeck and England benefited from a substitution made after the Three Lions' 1-0 lead - courtesy of Andy Carroll's first-half header - was dramatically overturned by a double from Sweden's former Aston Villa defender Olof Mellberg.
Arsenal winger Theo Walcott replaced City's James Milner on the right and immediately made an impact, equalising in the 64th minute before setting up Welbeck's glorious goal in the 78th.
"We all know the ability that Theo has got," said Danny, "and we're all really happy for him.
"There's ability spread right across the squad so we know whoever comes on the pitch is going to make a difference."
The next assignment for Welbeck, Ashley Young and company - to include Wayne Rooney on his