Mix flour, garlic granules, ancho chili powder & pepper in a shallow bowl.
Heat 2 Tbls canola oil in a heavy frying pan.
Working in batches of 3-4 filets (depends on the size of your pan), dredge the fillets lightly in the flour mixture.
Place the first batch of filets in the hot oil and cook for 2 minutes. Flip and cook for two more minutes. Remove filets from the pan and keep warm in a 300 degree oven on a cookie sheet.
Repeat steps 2-4 until all the filets are cooked.
For the white wine caper sauce
Melt butter in a saucepan.
Add in shallot and cook until softened.
Next, stir in garlic and cook for 2 more minutes.
Now pour in the wine and simmer for 5 minutes, to cook off alcohol.