Baltimore Crab Cakes

Name: Baltimore Crab Cakes
Ingredients: ¼ cup mayonnaise; 2 medium scallions, thinly sliced; 1 large egg; 1 Tbsp. Dijon mustard; 2 tsp. fresh lemon juice, plus wedges for garnish; 1½ tsp. Old Bay seasoning; ½ medium jalapeño, seeded, finely chopped; 1 lb. crab meat, picked over; 1¼ cups panko, divided; 1 Tbsp. thinly sliced fresh chives; ¼ tsp. kosher salt; ¼ tsp. freshly ground black pepper; 1 medium head Bibb lettuce; 2 Tbsp. vegetable oil, plus more