Final answer:
Carne a la parilla garnish and side dishes vary by region. Californian BBQ might include grilled vegetables or salad, while Texas might offer macaroni and cheese or baked beans.
Step-by-step explanation:
Regarding typical garnishes and sides for carne a la parilla, they can vary significantly by region, particularly in places like Texas, California, and other parts of the US where BBQ is prevalent. In many of these areas, the garnishes would often include traditional items like grilled vegetables, chimichurri sauce, or a simple seasoning of salt and pepper. As for sides, it's common to find dishes accompanied by staple items such as potato salad, coleslaw, beans, or cornbread, reflecting the local cuisines.
In California, for example, where tri-tip is a popular cut for BBQ, it is not unusual to see it served with a side of grilled veggies or a fresh salad, connecting to the health-conscious culture of the state. Texas, known for its beef-heavy BBQ, might pair their meats with more hearty sides like macaroni and cheese or baked beans.