The game got off to a slow start with minimal chances for both sides. In the fifth minute, Aberdeen's Alfie Bavidge teed the ball up nicely for Liam Harvey, but his shot was struck just over the crossbar.
In the 16th minute, Aberdeen's Alfie Stewart played Harvey in for his second chance of the game, but Dundee United's number 1, Zach Balfour produced a great save to tip the ball wide for a corner.
The deadlock was broken in the 19th minute, a ball was played into United's Stuart Heenan who had a free shot to tuck the ball into the bottom right corner to make it 1-0 to the hosts.
Quickly after the first goal Dundee Utd were on the attack again. This time forcing a tremendous save from Oluyemi after a drilled shot from Alan Domeracki.
An equaliser for Aberdeen followed in the 21st minute as Bavidge was played in and allowed a free hit at the keeper as he calmly slotted the ball into the bottom right-hand corner.
United then gained the lead again in the 30th minute after a goalmouth stramash and a couple of brilliant saved by Oluyemi but the aftermath was picked up by United's Heenan who scored his second of the game.
Coming to the end of the half saw Aberdeen's Adam Emslie take the ball from his own box to the edge of Dundee's box and get a shot off that was tipped wide by Balfour
The game went to half time 2-1 to the hosts in an ultimately even game with chances for both sides.
The second half got off to a fast start and in the 52nd minute Aberdeen managed to get an equaliser. Liam Harvey puts his body on the line to put Findlay Marshall in on goal. His first shot was saved by Balfour but was parried straight back to Marshall who took his second chance well to make it 2-2.
It wasn't long however until United found the lead again as Bryan Mwangi played the ball through to Rory Macleod and he slotted the ball into the bottom right corner.
As Aberdeen ramped up the pressure on the home side, goals started flowing. In the 66th minute Aberdeen got the equaliser as a free kick floated in form Alfie Stewart was met by Bavidge who coolly volleyed the ball home.
Then only two minutes later Aberdeen found the lead as Emslie jinked his way past the United right back, Emslie was able to sneak the ball under the keeper and into the bottom corner to make it 4-3.
Minutes later, in the 71st minute, a bobbling ball saw Emslie take advantage and play Bavidge in on goal who stroked the ball into the back of the net, doubling the Dons lead and completing Alfie's second hat-trick in as many games.
The goals didn't stop there, as in the 80th minute, Emslie picked the ball up on the left corner of the box and struck a beautiful shot into the top right corner to make it 6-3.
Emslie was desperate for his hat-trick and a nice one-two between himself and Brendan Hamilton ended in an Emslie curling effort that looked destined for goal. The shot was ultimately just wide of the left post.
The final goal of the game came in the 90th minute as a cross from a free kick taken by Dylan Lobban was met by a towering header from centre back Blair McKenzie to give Aberdeen a 7-3 win.
Overall, a very positive performance from the team against a tough opponent in Dundee United which will give the team confidence to keep pushing on in the league campaign.