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I was gluten free for a whole year, and now because I'm living at college and it's harder to afford not eating gluten, I just restrict the best I can. I'm not sure about in Ireland, but here in the US we have flour you can buy in most grocery stores that is gluten free by Pamela's. If you don't have that where you live, try and find rice or potato flour. You can pretty much just substitute it for real flour in most recipes, however it may make your food come out a little dryer.
As for snacks, an easy way to reduce gluten is to eat more fruits and vegetables. I also recommend checking labels because it can be surprising how many foods have gluten in it. For example I had gyoza sauce that had wheat in it.
This website may help as well, it has a lot of good recipes: http://allrecipes.com/recipes/health...ee/appetizers/