Care to share some of the dishes you tried?
Generally the cuisine in those countries isn't spicy, but does not shy away from herbs and pickled anything. However we've been plagued by overpriced, tourist trap bad restaurants here, and Covid just made it worse.
I do echo that Mexican restaurants in Europe that I've been to are bad or meh at best. I've never been to Mexico and I hope the restaurants are owned by exiles who fled the country hunted by pitchfork wielding mobs, infuriated at how bad the cooks were :D
The heck you're talking about? There's a ton of free resources to learn the basics.
https://dotnet.microsoft.com/en-us/learn/csharp official Microsoft learning resources.
https://dotnettutorials.net/course/csharp-dot-net-tutorials/ for C# basics and .NET framework (which is backend standard).
For game engines you need specific tutorials in those engines.