Begin by rinsing the shrimp under cold water until clean, then pat them dry thoroughly with paper towels.

In a mixing bowl, combine cornstarch, all-purpose flour, salt, black pepper, garlic powder, onion powder, and cayenne pepper. Mix thoroughly.

Toss the prepared shrimp in the dry mixture until evenly coated on all sides.

In a large skillet, heat about one inch of vegetable oil over medium-high heat until shimmering.

Carefully add the coated shrimp to the hot oil in batches, frying for 2-3 minutes until golden brown and crispy.

Transfer cooked shrimp to a plate lined with paper towels to absorb excess oil.

Garnish with fresh cilantro and serve immediately with lemon wedges.