1. 1. Cook the pasta according to package instructions. 2. In a pan, sauté the diced onion and garlic until fragrant. 3. Add the chicken meat and cook until browned. 4. Pour in the tomato sauce and simmer for a few minutes. 5. Stir in the baby spinach until wilted. 6. Add the cooked pasta to the pan and mix well. 7. Serve hot and enjoy!