Making Tuna Fudge is a straightforward process. Follow these steps for best results:

1. Preheat the Oven: Preheat your oven to 350°F (175°C).
2. Mix Tuna and Cheese: In a mixing bowl, combine the drained tuna, softened cream cheese, and mayonnaise.
3. Add Flavor: Stir in the Dijon mustard, lemon juice, garlic powder, onion powder, salt, and black pepper until well mixed.
4. Incorporate Cheese: Fold in the shredded cheddar cheese until evenly distributed.
5. Prepare Baking Dish: Grease a small baking dish or line it with parchment paper.
6. Add Mixture: Pour the tuna mixture into the prepared baking dish, spreading it evenly.
7. Top with Breadcrumbs: Sprinkle the breadcrumbs or crushed crackers over the top for a crunchy texture.
8. Bake: Place in the oven and bake for 20-25 minutes, or until the top is golden brown.
9. Cool and Slice: Allow it to cool for about 5 minutes before slicing into squares.

These simple steps ensure you’ll have a delightful dish of Tuna Fudge without any hassle.