Preheat oven to 450 degrees F.

Slice the squash in half lengthwise and scoop out the seeds and strings.

Rub 1 tsp olive oil on the cut sides of the squash and sprinkle with salt.

Bake cut side down for 25 minutes, or until cooked through.

While the squash is cooking, heat 1 tbsp of butter in a large skillet over medium high heat.

Add diced onion and garlic and cook until soft, about 4 minutes.

Add beef with cumin, chili powder, garlic powder, and paprika, stirring and breaking it until cooked through, about 5 minutes.

Stir in sliced olives and cook 1 minute.

Spoon the meat mixture evenly into 4 squash halves.

Mash avocado with lime juice and some salt.

Top with mashed avocado and serve!

You can add anything else you like, like sour cream, cheese, or hot sauce!