In a shallow bowl, use a fork to combine cornstarch, flour, and remaining 1 tsp. In a medium-sized bowl, pour buttermilk over shrimp. Add the breadcrumbs into the third bowl. First butterfly the shrimp by cutting a deep slit along the back, almost to the inner edge; open the cut and flatten shrimp slightly. Toss to coat. salt. The Best Fried Shrimp With Cornstarch Recipes on Yummly | Stir-fried Shrimp And Peas With Quinoa, Classic Fried Shrimp, Fried Shrimp And Asparagus Salad Working with 5 to 7 shrimp at a time, lift shrimp out of buttermilk, allowing the excess to drip off, and transfer the shrimp to the cornstarch-and-flour mixture. Place shrimp in a shallow pan and pour gin over them and let stand for 15 minutes. In a second bowl, mix together the flour, cornstarch, seasoning, and salt. Heat oil to 350 degrees F. Fry shrimp, a few at a time, until golden brown and crisp. 2. Dip shrimp in egg then in cornstarch to coat.