The England U21 striker netted his sixth Premier League goal of the season on Monday night as the Baggies twice squandered the lead to be held to a 2-2 draw by Manchester United.
Berahino calmly curled home a pass from Chris Brunt in the 66th minute to give Albion the lead and the youngster was thrilled to continue his good individual form for the West Midlands club.
"I felt like today I was focused and when that chance came I backed myself to take it and I was happy it went in today," he told Sky Sports 1.
"I'm just enjoying my football, letting my football do the talking. If the goals keep coming that's great that I'm contributing to the team."
But Berahino admitted it was a disappointing result as the Baggies allowed Daley Blind to open his United account in the 87th minute to force the draw.
"Definitely (disappointed)," he said. "I thought we did really well to get that second goal and it's a shame we could not hold on in the end."
Stephane Sessegnon opened the scoring for Albion with a screamer from outside the area in the eighth minute before Marouane Fellaini leveled for United three minutes into the second half prior to Berahino and Blind's efforts.
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