Add 1 cup of flour to a mixing bowl
Add 1 can of tuna (including the water) and break it up in the mix
Add 1 egg to the mixture
Add ¼ cup of grated cheese (preferably aged/smelly cheese for more appeal)
Mix all ingredients thoroughly together
Spread the mixture into an 8x8 inch baking pan, flattening to about ¼ inch thick
Bake at 350°F for 20 minutes
Remove from oven and turn the mixture over onto a baking sheet
Cut into small treat-sized pieces (about half the size of a thumbnail) using a pizza cutter or knife
Place cut treats back on the baking sheet
Bake at 275°F for 40-60 minutes, checking after 40 minutes until treats are fully dried
Remove from oven and let cool to room temperature
Break into smaller pieces if needed
Store in refrigerator for up to one week or portion into Ziploc bags for training sessions
