Roasted Red Pepper Filled With Tuna

Name: Roasted Red Pepper Filled With Tuna
Ingredients: 1 medium size or large red bell pepper; 1 garlic clove; Pinch of salt; 1 anchovy fillet, soaked in water to cover for 10 to 15 minutes, then drained, rinsed and patted dry (optional but recommended); 1 teaspoon capers, rinsed; 1 5-oz. can water-packed tuna or olive oil-packed tuna, to taste; 1 tablespoon fresh lemon juice; 1 tablespoon extra virgin olive oil (omit if using olive oil-packed tuna); 1 tablespoon plain low-fat yogurt (more to taste); Freshly ground black pepper; 1 tablespoon chopped fresh parsley