1) Preheat oven to 450 Celsius.
2) Lightly brush veggie burgers with extra virgin olive oil and season with kosher salt and pepper.
3) Bake burgers on the top rack for 5 minutes, turn and bake for another 5 minutes.
4) Mash 2 cloves garlic and a pinch of kosher salt to make garlic paste.
5) Finely dice 1/4 spanish onion and add to garlic.
6) Add a splash of fresh lemon juice to garlic and onions.
7) Add sliced avocado to the mixture and mash to a creamy texture.
8) Toast flax bread, spread guacamole on the toast.
9) Add the veggie burgers to the toast and top with hearts of romaine.
Bon Appetite!