1. Heat the olive oil in a large skillet over medium heat. Add the chopped onions and minced garlic, sautéing until the onions are translucent and the kitchen fills with their sweet aroma, reminiscent of my early mornings in the family kitchen.
2. Add the ground beef to the skillet, cooking until browned. Stir occasionally to ensure even cooking and break up any large chunks. This step is crucial for getting that perfect texture.
3. Mix in the diced tomatoes and tomato paste. Let it simmer for about 10 minutes, allowing the flavors to meld together beautifully.
4. Season with dried oregano, basil, salt, and pepper. These spices transport me back to the herb garden outside our cottage, where I first learned to appreciate the subtlety of fresh herbs.
5. Reduce the heat to low and sprinkle the shredded mozzarella cheese over the beef mixture. Cover the skillet and let the cheese melt, creating a gooey, irresistible layer.
6. Once the cheese is melted and bubbly, remove from heat and garnish with fresh basil leaves. Serve hot and enjoy the comforting embrace of a homemade meal.

Cooking is as much about the senses as it is about taste. Listen for the sizzle, smell the herbs, and watch the cheese melt into perfection.