1. 1. Cook spaghetti according to package instructions. Drain and set aside.

2. 2. In a pan, heat ghee over medium heat. Add boneless chicken breast pieces and cook until browned on both sides.

3. 3. Add butter, chopped green onions, minced garlic, and chicken sausage to the pan. Cook until the sausage is cooked through.

4. 4. Stir in fresh lemon juice, chili paste, yellow mustard, and granulated sugar. Mix well to combine all the flavors.

5. 5. Add cooked spaghetti to the pan and toss everything together until the pasta is coated with the sauce.

6. 6. Serve hot and garnish with fresh lemon slices and chopped green onions.