Mash the chickpeas
Add the drained chickpeas to your large bowl. Use a fork or potato masher to mash them until you hit the texture you like. I leave about a third whole for bite and chew. Want it smoother? Pulse briefly in a food processor — but don’t overdo it.
Add avocado and mash
Cut and scoop the avocado into the bowl. Mash it with the chickpeas until it blends into a creamy-yet-chunky mixture. The avocado adds richness and helps bind the salad without too much mayo.
Fold in the flavor
Add the diced red onion, jalapeño (if using), yellow mustard, vegan mayo, garlic salt, black pepper, and a few dashes of hot sauce if you want heat. Mix thoroughly and taste. Adjust seasoning — add more mustard for tang or more mayo for creaminess.
Chill for best texture
Cover the bowl and chill the mixture for 30 minutes. I promise the cooling time helps the flavors settle and lets the salt pull moisture slightly from the onion for a better bite.
Assemble the boats
Spoon a generous tablespoon (or more) of chickpea salad into each butter lettuce cup. Top with pickled onions, a sprinkle of everything seasoning, and a tiny wedge of lime if you’re feeling fancy. Serve immediately.