Pressure-cooked chicken in 100% refined peanut oil defines the Grossmont-area Chick-fil-A on Parkway Drive in La Mesa, part of the chain founded from a Hapeville, Georgia diner in 1967. The catering program ships boxed lunches, nugget trays, and fruit platters to corporate and school events across the Fletcher Parkway corridor, filling a group-meal niche alongside independent caterers like J-K's Greek Cafe. Each chicken filet is hand-breaded in-restaurant with a proprietary blend of more than 20 seasonings before pressure-cooking, a per-order preparation the chain has never automated. Chick-fil-A invested $50 million to develop a proprietary grill that sears chicken marinated in sea salt, lemon, and garlic herbs on cast-iron grates, producing the grilled nuggets and grilled sandwich line. The grilled-chicken platform adds a dedicated lower-calorie protein tier to La Mesa's Grossmont-area dining mix, a single-protein specialty format also practiced by taco-focused concepts like City Tacos in La Mesa Village. Each Original Chicken Sandwich pressure-cooks a hand-breaded breast filet in refined peanut oil and serves it on a toasted buttered bun with two dill pickle chips in a three-component build unchanged since the 1960s.