You can find actual recipes for smoothies at allrecipes.com, foodnetwork.com, and smoothieweb.com. If you're looking for more of a general knowledge about creating smoothie recipes I would suggest you either go to http://www.oncolink.org/coping/article.cfm?c=3&s=78&ss=193&id=1128 or buy a book called "Super Smoothies: 50 Recipes for Health and Energy" by Mary Corpening Barber and Sara Corpening Whiteford. Either source will tell you the three basic parts of a formula for creating smoothie recipes.
You should check this site: allrecipes.com. There are many different smoothie recipes, for example, banana, strawberry, spinach and orange smoothies. There is a wide variety of both sweet smoothies (with chocolate for example) and healthy smoothies (green smoothies).
Smoothies are a pretty great way to cool down, I must agree. You can find just about any kind of yogurt smoothie here: http://www.smoothieweb.com/category/yogurt-smoothies/
You can find some blueberry recipes on Food Network website, they have cheesecake recipes using blueberries, muffins, pancakes, cakes, pies and even smoothies.
You can go online to find some information on recipes for high blood pressure at recipes.com. They have a bunch of different recipes including healthy ones for high blood pressure
Smoothies offer a great way to combine a lot of vitamins and minerals into one quick and easy shake. There are several online recipes for making your own shakes, or you can buy pre-made, ready-to-drink shakes right off the shelf. http://www.menshealth.com/nutrition/weight-loss-abs-diet-breakfast-smoothie-recipes has some good recipes for the do-it-yourselfer.
There are sites to find green smoothie diet information. You can get this information at www.amazon.com/Green-Smoothies-Diet-Natural.../dp/156975702X and rawfoodhealthwatch.com �ۼ Raw Vegan Recipes.
There are many sources online that specialize in recipe sharing and listing. One can find information about guacamole recipes from simply foods, Martha Stewart, All Recipes, and The Food Network.
I suggest you to research weather or not if your friend's snack recipe is beneficial to you. You can find more information on this by researching the ingredients of the recipes online or at your local bookstore.
There is a site that not only offers gourmet diabetic recipes, but it also provides menus and nutritional information. It's an excellent site: diabeticgourmet.com/recipes/
One is able to find more information about cooking ham on several different online locations such as the following websites: All Recipes, Cooks, and Recipes.
You could visit nutritiondata.com for healthful information.
If you are concerned about the suitability of the healthy granola recipes, you can look for similar recipes online with ratings and reviews. If you are concerned about the ingredients of the recipes, you can consult your physician.