In a large skillet or saucepan, combine the beans, olive oil, lemon juice, garlic and parsley. Cook over low to moderate heat until the beans are hot, about five minutes. Spoon the beans over cooked pasta (medium shells, bow ties or other shapes.) Break the tuna on top in coarse chunks. Garnish with scallions and plenty of black pepper. Per serving: 1294 Calories (kcal); 117g Total Fat; (79% calories from fat); 45g Protein; 21g Carbohydrate; 70mg Cholesterol; 89mg Sodium Food Exchanges: 0 Grain(Starch); 6 Lean Meat; 1 1/2 Vegetable; 1 Fruit; 21 1/2 Fat; 0 Other Carbohydrates Converted by MM_Buster v2.0n.