Chop salmon in 1/2 inch cubes and place in a mixing bowl.
Add chopped basil, lemon zest, Greek yogurt, Dijon mustard, salt, pepper and flour into 1 and mix the ingredients.
Form salmon mixture in 3 inch patties. Cover patties with bread crumbs.
Place skillet over medium low heat and add olive oil. When the olive oil starts to sizzle, place croquettes gently in a skillet. Cook croquettes for 3-4 minutes each side or until both sides are golden brown.