LOL..I can't believe you found this thread, Anna!

Well, I did some searching and I found the recipe. I haven't fixed this since Katie did obedience classes. She really did enjoy it. I'll have to try to make some more to see if Tori likes them also.

Tuna Brownies

2 cans tuna in water
drain most of the water
2 eggs
healthy teaspoon garlic powder
1 1/2 cups flour

Mix to thick horrible mass
Add flour if needed until it is like a thick ball of dough
Flatten out to 1/4" thick on a cookie sheet
Bake at 250 for 30 minutes
cut in 1/4" cubes

Can refridgerate or great frozen.