Heat avocado oil in a large skillet over medium-high heat.
Add the ground beef, breaking it up with a spatula until browned and cooked through.
Stir in the chili powder, cumin, garlic powder, sea salt, and black pepper.
Remove beef from the skillet and set aside.
In the same skillet, sauté the bell peppers and red onion until tender-crisp.
Add the cauliflower rice and black beans to the skillet, cooking for 3-5 minutes until heated through.
Assemble the bowl by layering the cauliflower rice mixture topped with the seasoned beef.
Garnish with fresh salsa, avocado slices, cilantro, and a squeeze of lime juice.