I'm having trouble tracking this to the original sources.
Apples- http://www.ehow.com/
Tomatoes- http://www.ehow.com/
Potatoes/Sweet Potatoes- http://
Green Onions- http://www.17apart.com/
Leeks- same technique as green onions
Carrot Tops- http://www.gardeningknowhow.com/children-in-the-garden/grow-carrot-tops.htm
Pineapple- http://www.rickswoodshopcreations.com/Pineapple/pineapple.htm
Romaine Lettuce- Same technique as celery
Cabbage- Same technique as celery
Celery- http://www.17apart.com/2012/02/growing-celery-indoors-never-buy-celery.html
Avocado -http://www.thehungrymouse.com/2009/09/09/how -to-grow-an-avocado-tree-from-an-avocado-pit/
Lentils- http://foodstoragemadeeasy.net/2009/02/19/how-to-grow-sprouts/
Pumpkin- http://pinterest.com/pin/98375573080950437/
Ginger- http://www.gardenswag.com/2011/12/5-foods-you-can-grow-from-kitchen-scraps/
Garlic- http://www.gardenswag.com/2011/12/5-foods-you-can-grow-from-kitchen-scraps/
Pineapple- http://
Romaine Lettuce- Same technique as celery
Cabbage- Same technique as celery
Celery- http://www.17apart.com/
Avocado -http://
Lentils- http://
Pumpkin- http://pinterest.com/pin/
Ginger- http://www.gardenswag.com/
Garlic- http://www.gardenswag.com/