Steps
1. Heat olive oil in a frying pan over medium heat.
2. Add minced garlic and sauté for 1 minute until fragrant.
3. Stir in the diced bell pepper and cook for 2-3 minutes until soft.
4. Add the cooked rice, peas, and grilled mackerel to the pan, mixing well.
5. Pour in the soy sauce and lemon juice, stirring to combine.
6. Cook for an additional 3-4 minutes until heated through, adjusting salt and pepper to taste.
7. Remove from heat and garnish with chopped green onions and fresh herbs before serving.