Tuna Beans Will cost less than 50p By Guest Contributor January 1, 2008 Quick Preparation Time Cook Time Servings0IngredientsTin of Baked BeansTin of tunaInstructions Step 1: Empty both tins into a pan and cook for about 3 minutes. Step 2: Step 3: And that’s it. Step 4: Cheap, filling and very quick. Step 5: Can add cheese, salt and pepper to taste.