There are many websites for making potato dumplings, it just depends on what style of dumpling you would want to make it. germanfood.about.com will give you a recipe on how to make German styled potato dumplings. There's also slovakcooking.com and dailymotion.com for more options on how to make different potato dumplings every time.
Betty Crocker is famous for her dumplings, most of the recipes can be found on her webpage. There are all sorts of dumplings, from chicken to vegetable, just like grandma used to cook.
An authentic ragu sauce recipe can be found from recipe sites, recipe books or by watching recipe TV shows. Some of the best sites where one can easily find an authentic ragu sauce recipe are All Recipes, All Taste, Food Network and BBC Good Food.
Chicken and dumplings consists of sliced chicken in a soup that also contains herb filled pasta (dumplings). You can find a recipe for this at allrecipes.com.
Try these recipes for an authentic taste - http://www.moms-mexican-recipes.com/burrito-recipes.html
Here is a recipe for Thai Red Curry. For the most authentic flavors, use fresh ingredients and freshly ground spices. http://www.templeofthai.com/recipes/red-curry.php
One can find authentic Mexican recipes on many recipe providing websites such as recipe.com or foodnetwork.com. Both of these websites offer thousands if not millions of recipes that may aid you with some authentic Mexican recipes..
There are several websites with sweet potato recipes available. The following websites contain those recipes: recipe4cooking.com, busycooks.com, allrecipes.com and food.com.
Onlinecooking.net i have found twice baked potato recipes. Obviously Food Network has a vast variety of twice baked potato recipes. And the final twice baked potato recipe can be found on science of cooking
http://allrecipes.com/recipe/easy-lasagna-ii/ provides you with the perfect recipe. for authentic, home style lasagna. Whether it's a meal for one or six, all eating will be pleased with this dish.
This website has a list of different taco salad options to try and they all look authentic. http://www.cooks.com/rec/search/0,1-0,taco_salad,FF.html
Sweet potato fries are an easy thing to make and many ratings online for this recipe give them 5 stars out of 5. There are many websites to find this recipe, including: BBC Good Food, Food Network and Simply Recipes. Most sites suggest that this recipe will take between 30 to 40 minutes to make.
Any reputable book store would have cook books that included such a basic recipe. On TV you may very well come across a program with verbal directions. At any library is another choice.