1. Brush Topknot with butter and sprinkle over Everything Spice, then bake according to our heating instructions.
2. In a medium bowl, gently mix ground beef, salt, and pepper. Form into one patty the size and shape of the center of your Topknot.
3. Warm up your grill; if using a propane grill, heat it to 400 degrees. Cook the burger for 5-10 minutes (depending on how well done you prefer). Place the cooked patty into the pretzel hole.
5. Heat a small skillet to medium heat, crack the egg into the pan, and cover with a lid. Let cook until egg whites set.
6. Transfer pretzel with patty to plate, top patty with egg, and garnish with smoked salmon, onion, avocado, cream cheese, capers, and chives.