The BEST Mexican Restaurant SALSA ROJA Recipe (+ the secret ingredient)

Years ago I used to have a restaurant down in the Tex-Mex and taqueria territory of San Juan, Texas.

In an effort to serve consistent, delicious salsa roja to the customers I needed to make large batches at a time. This is the exact recipe I came up with that kept everyone coming back for more.

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5 roma tomatoes
5 serrano peppers
A handful cilantro
¼-⅓ Onion
1 Can crushed tomatoes
3 Canned Chipotle Peppers in Adobo Sauce