Heat Olive Oil: In a large skillet, heat the olive oil over medium heat.
Cook Onions: Add the chopped onion and sauté until softened and translucent, about 3-4 minutes.
Add Ground Beef: Add the ground beef to the skillet, breaking it up with a spoon as it cooks. Season with salt, black pepper, and garlic powder.
Cook Meat: Continue cooking until the beef is browned and fully cooked through, about 6-8 minutes.
Add Grated Carrot: Stir in the grated carrot and cook for another 2-3 minutes, allowing the flavors to meld together.
Taste and Adjust: Taste the filling and adjust the seasoning as needed with more salt, pepper, or garlic powder.