Gourmet King: Porcini Mushroom Burger

Name: Gourmet King: Porcini Mushroom Burger
Prep time: 20 min
Cook time: 20 min
Total time: 40 min
Cuisine: American
Ingredients: 2 1/2cups (600g) ground beef (preferably 80/20 for juiciness); 1 tablespoon kosher salt; 1 tablespoon paprika powder; 3 teaspoons dried porcini mushroom powder; 1 teaspoon garlic powder seasoning (2 cloves of fresh garlic, finely chopped); 1 teaspoon ground white pepper; Olive oil (for sautéing and roasting); 4 brioche burger buns, lightly toasted; 4-5fresh porcini mushrooms, sliced; 2 medium tomatoes, sliced; 2 red bell peppers, roasted and peeled; 1 small red onion, thinly sliced; 1 cup arugula (rucola) salad; 1/2cup sour cream; 2 tablespoons mayonnaise; 2 cloves garlic, minced (for the garlic-infused sour cream)