Learn how to say Flapjacks correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word flapjack:
1British a sweet dense cake made from oats, golden syrup, and melted butter, served in rectangles.
2North American a pancake.
early 17th century (in sense 2): from flap (in the dialect sense ‘toss a pancake’) + jack1; sense 1 dates from the 1930s and is probably a regional coinage