Everything Burgers

Name: Everything Burgers
Prep time: 30 min
Total time: 30 min
Yield: 6 serving(s)
Ingredients: 2 tsp. poppy seeds; 2 tsp. sesame seeds; 1 tsp. dried garlic flakes; 1 tsp. dried onion flakes; 1 tsp. kosher salt; 1 large egg white; 6 brioche buns; 6 oz. cream cheese, at room temperature; 3 tbsp. sun-dried tomato pesto; 2 lb. ground beef; 1 tsp. kosher salt, plus more to taste; Black pepper, to taste; Shredded iceberg lettuce, sliced tomato and sliced red onion, for topping; Potato chips, for serving