Reducing ignorance when comes to nutrition information.
Some information about classic food.
A number of websites and API are available with very interesting information. Note that not all data has been reviewed and might contain partial data.
http://nutritiondata.self.com/ has good tools and additional nutrition fact visualition.
http://www.myfitnesspal.com/ has a lot of contributors but the data is not always accurate..
https://www.fatsecret.com/ Very good data and focused on european food.
http://caloriecount.about.com/Another platform with nutritional data.