If you want to taste some Latin-American and Caribbean food you should definetely go to Palasi Latino.
I would strongly recommend ceviche de pescado (raw fish cooked with lemon and coliander), Sancocho Colombiano (soup on base de yuca, potatoes, bananas plantains, corn and beef).
You should try as well Pisco, peruwian drink with eggs white. It's delicious.
Price per dish is about 16 euros. If you want to try this place for a bit cheaper, go there on Sunday. They have a special menu and you can have a full dish for 10 euros only.
Every Friday and Saturday below the restaurant there is a latin party going on. If you are a fan of salsa, bachata or reggaeton, that's a good option to burn some callories after the dinner.
The address: 171 Avenue Chazal, 1030 Schaerbeek