(1) Florence Fabricant, An Elegant Alternative to Peanut Butter (Hold the Jam). New York Times, Mar 16, 2011.
http://www.nytimes.com/2011/03/16/dining/16marcona.html?_r=1&scp=1&sq=almond%20butter&st=cse
Note:
(a) almond
http://en.wikipedia.org/wiki/Almond
(native to the Middle East and South Asia; The Marcona variety of almond, which is shorter, rounder, sweeter, and more delicate in texture than other varieties, originated in Spain)
(b) canapé
(i) (n): "an appetizer consisting of a piece of bread or toast or a cracker topped with a savory spread (as caviar or cheese)"
www.m-w.com
(ii) http://en.wikipedia.org/wiki/Canap%C3%A9
(The name comes from the French for couch)
(c) For membrillo, see quince 榅桲
http://en.wikipedia.org/wiki/Quince
(native to warm-temperate southwest Asia in the Caucasus region; the membrillo, as the quince is called in Spanish)
(2) Julia Moskin, DIY Cooking Handbook. New York Times, Mar 16, 2011.
http://www.nytimes.com/interactive/2011/03/16/dining/16diy-recipes.html#view=intro
(in the left column of the web page: chocolate-hazelnut paste)