2 lemons, sliced thinly 4 cloves garlic cut into very thick slices or halved length-wise 2 tsp sugar 1 lb boneless, skinless chicken breasts, halved and pounded thin 1 tsp salt 1/2 tsp black pepper 1/2 cup+ 1 tbsp flour, divided 2 tbsp olive oil, divided 2 shallots, diced 1/2 tsp dried oregano 1