Red Lentil Pasta Sauce

Name: Red Lentil Pasta Sauce
Ingredients: 1/2 cup coarsely chopped celery; 1/2 cup coarsely chopped carrot; 1/2 cup chopped green bell pepper; 1 cup chopped onion; 4 to 5 cloves garlic; 3 tablespoons olive oil; 1/2 teaspoon crushed red pepper flakes (optional); 1 teaspoon dried basil; 1 teaspoon dried oregano; 1/2 teaspoon fennel seed; 1 cup red lentils; 28 ounce can of good quality tomatoes, crushed; 1 teaspoon salt; 1 teaspoon black pepper; 3 to 4 cups water; 1/2 cup chopped parsley; 5 or 6 leaves sliced fresh basil; Cooked pasta; Extra virgin olive oil for drizzling over each serving ( optional )