Miso Beef Burgers with Daikon Oroshi

Name: Miso Beef Burgers with Daikon Oroshi
Ingredients: Miso Beef Burgers; 1 pound ground beef (low-fat content); 1 small onion, finely minced; 1/2 small carrot, scraped & minced; 2 1/2 tablespoons Golden Miso (or medium miso), chunky is fine; 1 or 2 grated garlic cloves; 1 egg; 1 teaspoon black pepper, freshly ground; 1/2 cup panko (this produces a juicy burger, add more panko if grilling or want a firmer patty); Serving Components and Grated Daikon Oroshi; 2 teaspoons olive oil; 16 shishito peppers, or sliced bell pepper (shishitos are usually not hot); 4 shiitake mushrooms, thinly sliced, or maitake (hen-of-the-woods) pulled apart into equal sizes, picture is shimeji mushrooms; 2 1/2 inches daikon radish from the middle section, peeled; 4 shiso leaves (plus 4 extra if making chiffonade for oroshi); 1/8 teaspoon cheyenne pepper (or one dried chili of your choice, remove seeds); 2 kabosu, sudachi, key lime (halved) or yuzu, or Meyer lemon (cut in eights); a couple of drops of soy sauce