Impossible Smash Burgers

Name: Impossible Smash Burgers
Prep time: 8 min
Cook time: 12 min
Total time: 20 min
Cuisine: American
Ingredients: 12 ounces Impossible Beef burger meat; Salt and black pepper; 1/2 small white or yellow onion; 2 tablespoons neutral oil such as canola oil or peanut oil; divided; 4 slices american cheese; 1 tablespoon unsalted butter; 4 hamburger buns; Smashburger sauce (or your sauce of choice (ketchup, mustard, etc.)); Dill pickles (thinly sliced into coins); 4 pieces crisp, crunchy lettuce