Step 1

Preheat oven to 350ºF. Line a baking sheet with parchment paper.

Step 2

Place all of the ingredients for the patties in a large bowl and stir to combine.

Step 3

Use your hands to shape the burger mixture into patties and place them on the baking sheet.

Step 4

Bake for 15 minutes on one side, carefully flip the patties over, and bake them for 15 more minutes, or until lightly browned.

Step 5

While the burgers are baking, prepare the avocado sauce. Place all of the ingredients in a blender and puree until smooth. Set aside.

Step 6

Assemble the burgers; place the patties on the buns, drizzle with avocado sauce, and top with onion slices, greens, and sprinkle with seeds.