prep veggies and set aside
mix together mayo, ketchup, mustard, sriracha and lemon juice in small bowl and set aside
spray skillet with nonstick spray and brown hamburger, seasoned with a pinch of salt, a pinch of pepper, onion powder and garlic powder - set aside
add ~ 1 tsp of olive oil to pan and saute onion until translucent
add garlic and cook for ~ 1 minute
add hamburger back into the pan and then add the sauce
let sauce warm and reduce slightly, about 5 minutes, then remove from heat
assemble salads by starting off with base layer of lettuce, then add hamburger mixture, diced tomatoes and pickles before topping off with the hamburger bun croutons