Letover Mashed Potatoes
1 Tbsp oil
1/4 cup milk
2 eggs
2 1/2 cup leftover mashed potatoes
1/2 cup shredded cheddar cheese
1/2 cup flour
1/2 tsp baking powder
1/4 tsp baking soda
1 slice cooked and crumbled bacon (optional)
Whisk together oil, milk and eggs.
Stir in the mashed potatoes*, cheese, and bacon (if you're using it) until well combined.
In another bowl, whisk together the flour, baking powder and baking soda. Fold the flour mixture into the potato mixture until it's well combined.
Scoop the mixture into greased waffle maker, spreading it into an even layer. Bake until golden brown and the egg is cooked fully, a few minutes.
Open and check to see if you've reached desired browning. My waffle maker is temperamental; I have to flip my waffles over to get them crunchy.
*Depending on the consistency of the leftover mashed potatoes you're using, you might need to either add a bit more milk (if they're too dry), or a bit more flour (if they're wet).