Fischer played the Evans' Gambit at least three times in his career. If Fischer uses a line more than once, you can assume that he considers it sound.
http://www.chessgames.com/perl/chessgame?gid=1043992
http://www.chessgames.com/perl/chessgame?gid=1255154
I just need your suggestions on the best opening for the white... I love Danish gambit but the fact that you lose pieces and could be countered got me seeking better opening compared to Danish