01 -
Soak shrimp in buttermilk for 15 to 30 minutes to tenderize and improve coating adhesion.
02 -
Combine flour, cornmeal, Cajun seasoning, paprika, salt, and black pepper in a shallow dish.
03 -
Remove shrimp from buttermilk, allow excess to drip off, then dredge in flour mixture, pressing lightly for even coverage.
04 -
Heat about 1/2 inch of vegetable oil in a large skillet over medium-high heat until shimmering.
05 -
Fry shrimp in batches for 2 to 3 minutes per side until golden brown and crispy; avoid overcrowding.
06 -
Transfer fried shrimp to a paper towel-lined plate to remove excess oil.
07 -
Whisk mayonnaise, sour cream, Dijon mustard, lemon juice, Cajun seasoning, salt, and pepper until smooth; adjust seasoning to taste.
08 -
Arrange shrimp on a platter, drizzle the creamy sauce over or serve on the side, and sprinkle with chopped fresh parsley.