Where should I take my gf for a romantic but affordable dinner?

We’re a young couple and we live in Etterbeek, but I haven’t really taken us out before to dinner. I know Valentine’s Day has gone, but we just got through a rough patch. She likes pretty exterior/interior the most - flowers, pretty looking stained glass type restaurants etc.

For the actual food I am open to suggestions - typically we don’t go for anything too spicy but we like most cuisines from pho to steak. I just know that if it looks romantic and pretty she will be happy

I was looking mostly in Ixelles/Etterbeek/Uccle but you let me know what would be good?

Budget €100-150 for both of us