Get the authenticity of HERDEZ salsa with a modern taqueria twist. HERDEZ TAQUERIA STREET SAUCE Original Roja uses chile de arbol peppers, the spicy source of the flavor behind many traditional Mexican dishes. One of four HERDEZ Mexican street sauces, this roja is a marinade, simmer sauce, condiment, secret ingredient, and flavor enhancer that makes it easy to squeeze a spicy splash of authentic Mexican flavor into any dish you serve.