37 Best Burger Toppings to Add Sizzle to Your BBQ - Plus others below1. Mozzarella cheese, marinara sauce, and grilled mushrooms2. Salsa, Monterey Jack cheese, and jalapenos3. Blue cheese and BBQ sauce4. Avocado, Swiss cheese, and sprouts5. Bacon, sour cream, cheddar cheese, and chives6. Barbecue sauce, fried onions, Swiss cheese, and bacon7. Honey mustard, brie cheese, and Granny Smith apples8. Herbed goat cheese, roasted red pepper, and horseradish9. Guacamole and red onion and cheddar10. Pesto and Parmesan cheese11. Boursin12. Serrano ham, Manchego cheese, and olives13. Watercress and horseradish14. Bacon, lettuce, and tomato15. Mozzarella cheese, heirloom tomato slices, and fresh basil leaves16. Hummus, feta cheese, and olive tapenade17. Garlic aioli and caramelized onions18. Wasabi mayo and avocado19. Goat cheese and sun-dried tomatoes20. Grilled peppers and onions, and herbed mayo21. Grilled onions and mushrooms, and cheddar cheese22. Herbed goat cheese and truffle salt23. Roasted tomatoes, garlic aioli, and sage pesto24. Cranberry sauce and blue cheese (best on a turkey burger)25. Spicy curry mayo and mango slices26. Buffalo sauce and blue cheese dressing27. Pepper jack cheese and roasted red peppers28. Chili and cheddar cheese29. Mango chutney, cucumber, and fresh spinach leaves30. Ham slice, Swiss cheese, and honey mustard31. Fried egg and bacon32. Fried green tomatoes and mayo33. Grilled eggplant, Parmesan, and marinara sauce34. Ham, Monterey Jack chees...