Preheat oven to 350 degrees
Open and drain can of chiles, and place on a paper towel to pat dry.
Spray a 9 x 13 baking dish with non-stick spray.
Place a strip of jack cheese inside each chile and place them side by side in the greased baking dish.
Sprinkle top with cheddar cheese.
Beat eggs and combine with flour, beat until smooth.
Add in milk, salt, pepper, and hot sauce.
Pour egg mixture over the chiles.
Bake in preheated oven, uncovered for 45 minutes or until a toothpick inserted into the egg mixture comes out clean.
Serve with salsa and sour cream.