Here's Why There Are Carrots In Your Canned Jalapenos - Tasting Table
Briefly

Canned jalapeños and carrots, simmered in vinegar, are an unexpected yet common pairing that adds spice and color to dishes like tacos.
The spicy carrots in pickled jalapeños can mimic the heat of the peppers, enhancing the flavor profile while contributing sweetness and texture.
Commonly known as chiles en escabeche, house-made pickled vegetables from taco shops can include various veggies, offering a unique twist on traditional flavors.
Incorporating canned pickled jalapeños into dishes like guacamole provides a burst of flavor and heat, making it a pantry essential for adding tanginess.
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