Onion Soup Mix Smash Burger from Smashed: 60 Epic Smash Burgers and Sandwiches for Dinner, for Lunch

Ingredients

• 2 teaspoons pepper (to taste)
• 2 teaspoons salt (to taste)
• 1 tablespoon (15 ml) vegetable oil
• 6–7 ounces (170 to 200 g) 80/20 ground beef
• Mustard, for topping
• Ketchup, for topping
• 1 potato hamburger bun
• 2 slices provolone cheese
• 1 ounce (28 g) onion soup mix, approximately ½ packet (We use Lipton Recipe Secrets Onion Soup & Dip Mix.)
• ½ red onion, thinly sliced
• 1 tomato, sliced
• Mayonnaise, for topping
• 4 dill pickle chips
• additional 1 tablespoon (14 g) mayonnaise, for toasting the buns