Miscellaneous with flour

2 lbs tiny new potatoes , sliced 1/4-inch thick 1 cup chopped onion 3 garlic cloves , minced 3 tablespoons olive oil , divided 3 tablespoons all-purpose flour[...]

675 gm Floury potatoes, such as King Edwards     Few sprigs of mint 1 x 300 gram pie haddock fillet, skinned and boned 225 ml Lowfat milk     Extra virgin[...]