Chipotle and jalapeno are among the spicy notes showing up in prepackaged foods from tuna fish to snack bars. What's behind the trend for spicier flavors? WSJ's Sarah Nassauer reports on Lunch Break. ... more 
Chipotle and jalapeno are among the spicy notes showing up in prepackaged foods from tuna fish to snack bars. What's behind the trend for spicier flavors? WSJ's Sarah Nassauer reports on Lunch Break. Photo: Getty. less 
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