Preheat the oven to 375 degrees and line a baking sheet with parchment paper.
In a large bowl, combine the ground beef, egg, taco seasoning, and almond flour. Mix until evenly blended.
Divide the mixture into eight equal portions and shape each into a small loaf. Place the loaves on the prepared baking sheet.
Bake for 20 to 25 minutes until the internal temperature reaches 160 degrees.
While the meatloaves bake, make the slaw. In a medium bowl, toss the shredded cabbage with the chopped cilantro, lime juice, mayonnaise, salt, and black pepper until coated.
Remove the meatloaves from the oven and let them rest for a few minutes. Serve each portion with a scoop of slaw and slices of avocado on top.