In a small bowl, combine the sour cream, lime juice, lime zest, and salt and mix well.
2. Step
In another bowl, combine the red cabbage, green cabbage, jalapeño, 2 tablespoons of the sour cream sauce mix, lime juice and salt. Mix until fully incorporated.
3. Step
Season the shrimp with a big pinch of salt.
4. Step
Combine flour, garlic powder, smoked paprika, cayenne, salt and baking powder in a medium size bowl and mix well. Add beer and stir well.
5. Step
Add shrimp into the batter, making sure each is fully coated.
6. Step
Heat oil in a pot to 350˚F (180˚C). Fry the shrimp in batches for 4 - 5 minutes, or until golden brown.
7. Step
Transfer the shrimp to a paper towel-lined plate.
8. Step
Top a tortilla with guacamole, rainbow coleslaw, fried shrimp, a drizzle of sour cream sauce, sliced radishes, and cilantro.